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2009 alligator alligatorid anthro anthro_on_anthro balls blotch common_hippopotamus crocodile crocodilian dominant duo_focus eye_contact flaccid from_behind_position genitals grass greyscale group hi_res hippopotamid humanoid_genitalia humanoid_penis imminent_sex interspecies larger_dom larger_male looking_at_another looking_back lying male male/male mammal monochrome nude on_front outside overweight penis plant predator/prey public raised_tail reptile rock role_reversal scalie scratches_volume_3 sex simple_background size_difference slightly_chubby smaller_male tail tail_grab traditional_media_(artwork) water white_background

anthro blood bodily_fluids bottomwear bound chain clothing common_hippopotamus death detailed_background eating flaccid genitals group head_first hippopotamid human human_prey inside loincloth male male/male male_pred male_prey mammal overweight penis tentacles themirth torture vore

2011 4_fingers 50percentgrey anthro areola bed biped breasts brown_areola brown_nipples common_hippopotamus eclairtalon female fingers furniture genitals hippopotamid looking_at_viewer mammal mary-rose mary-rose_(eclairtalon) nipples nude overweight overweight_anthro overweight_female plump_labia solo vulva

alcelaphine anal anal_penetration antelope anthro balls belly biceps big_muscles big_penis black_and_white bodily_fluids bovid bovine cattle common_hippopotamus cowgirl_position cum cum_while_penetrated cumshot duo ejaculation erection from_front_position furryrevolution genital_fluids genitals glans hands-free hi_res hippopotamid horn humanoid_genitalia humanoid_penis interspecies male male/male male_on_bottom male_on_top male_penetrated male_penetrating male_penetrating_male mammal messy monochrome muscular muscular_male nipples nude on_bottom on_top open_mouth orgasm outside overweight penetration penis sex simple_background straddling sweat white_background wildebeest

anthro biped blue_border blue_eyes border breasts common_hippopotamus female hi_res hippopotamid kneeling mammal nipples nude overweight overweight_anthro overweight_female skillings smile solo tattoo

2011 anthro big_breasts breasts brown_body common_hippopotamus female hi_res hippopotamid mammal neodokuro nipples overweight overweight_anthro overweight_female slightly_chubby solo tongue tongue_out

anthro biped black_and_white breasts common_hippopotamus disney female full-length_portrait hippopotamid hoppopotamus_(the_wuzzles) hybrid lagomorph leporid line_art long_ears looking_at_viewer mammal monochrome nipples nude portrait pose rabbit simple_background solo teeth the_wuzzles three-quarter_view unknown_artist white_background wuzzle

afro anthro bent_over big_butt bikini blue_clothing blue_panties blue_underwear blush bodily_fluids bottomwear breasts bubble_butt butt butt_cleavage camel_toe clothed clothing common_hippopotamus crocodilian crossover digital_media_(artwork) donkey_kong_(series) donkey_kong_barrel_blast dreamworks duo female gloria_(madagascar) green_bikini green_clothing green_swimwear hair hi_res hippopotamid jewelry kalypso kremling looking_at_viewer looking_back madagascar_(series) mammal nintendo nipple_outline one_eye_closed panties pink_hair presenting presenting_hindquarters reptile scalie skimpy spread_legs spreading sssonic2 sweat sweatdrop swimwear tail two-piece_swimsuit underwear wink

afro anthro bent_over big_breasts big_butt blush bodily_fluids breasts butt clothing common_hippopotamus crocodilian crossover digital_media_(artwork) donkey_kong_(series) donkey_kong_barrel_blast dreamworks duo female genitals gloria_(madagascar) hair hi_res hippopotamid huge_breasts jewelry kalypso kremling looking_at_viewer looking_back madagascar_(series) mammal nintendo nipples nude one_eye_closed pink_hair presenting presenting_hindquarters reptile scalie spread_legs spreading sssonic2 sweat sweatdrop tail vulva wink

anthro ball beach big_breasts bikini blue_hair breasts clothed clothing comic common_hippopotamus dialogue english_text female gillpanda group hair hippopotamid huge_breasts jumping kissing male mammal nipples outside overweight pink_body seaside skimpy smoke speech_bubble swimwear text tight_clothing two-piece_swimsuit water

anthro belly belly_to_belly big_breasts bikini breast_expansion breasts butt butt_expansion clothed clothing comic common_hippopotamus expansion female gillpanda group growth hippopotamid huge_breasts kissing male male/female mammal overweight pink_body skimpy swimwear tight_clothing transformation two-piece_swimsuit weight_gain

anthro bikini butt butt_expansion clothed clothing comic common_hippopotamus duo expansion female gillpanda growth hippopotamid hug kissing male male/female mammal obese overweight skimpy swimwear transformation two-piece_swimsuit weight_gain

anthro balls big_breasts bikini breast_expansion breast_grab breasts butt butt_expansion clothed clothing comic common_hippopotamus duo expansion female genital_expansion genitals gillpanda grabbing_from_behind half-erect hand_in_pants hand_on_breast hippopotamid huge_breasts humanoid_genitalia humanoid_penis male male/female mammal nipples obese overweight penis penis_expansion reach_around sex skimpy swimwear tight_clothing transformation two-piece_swimsuit weight_gain

anthro backsack balls big_breasts big_butt bikini bodily_fluids breast_expansion breast_milking breastfeeding breasts bulge butt clothed clothing collaborative collaborative_breastfeeding comic common_hippopotamus expansion female gender_transformation genitals gillpanda group growth gynomorph gynomorph/female hippopotamid huge_breasts intersex intersex/female lactating lactating_through_clothing mammal milk overweight skimpy slightly_chubby swimwear tight_clothing transformation transformation_through_milk two-piece_swimsuit weight_gain wet wet_clothing

anthro balls big_balls big_breasts big_penis bikini black_hair blue_hair breasts clothed clothing comic common_hippopotamus eyewear female genitals gillpanda glasses group gynomorph gynomorph/female hair half-erect hippopotamid huge_breasts huge_penis humanoid_genitalia humanoid_penis hyper hyper_breasts hyper_genitalia hyper_penis intersex intersex/female mammal morbidly_obese nipples nude obese overweight penis red_hair skimpy swimming_pool swimwear tail two-piece_swimsuit water weight_gain wet

anthro aunt_(lore) bdsm big_butt blonde_hair bondage bound breasts butt butt_slap common_hippopotamus discipline eyewear felid female genitals glasses grey_body grey_skin hair hippopotamid lion mammal mature_anthro mature_female obese obese_anthro obese_female open_mouth overweight overweight_anthro overweight_female pantherine paul_lucas reddened_butt rope ruler slap solo spanking submissive submissive_female tail tail_tuft traditional_media_(artwork) tuft vulva

all_fours anal anal_penetration anthro bent_over black_and_white bodily_fluids border butt common_hippopotamus doggystyle duo ear_piercing elephant elephantid erection exclamation_point forest from_behind_position fur furronika gaping_mouth genitals grass hand_on_shoulder hippopotamid humanoid_genitalia humanoid_penis interspecies jungle line_art male male/male male_penetrated male_penetrating male_penetrating_male mammal monochrome multiple_piercings muscular nude open_mouth outside penetration penis piercing plant proboscidean proboscis_(anatomy) raised_tail sex speech_bubble standing sweat tail tail_tuft tree trunk_(anatomy) tuft tusks vein white_border

2011 3:4 anthro anus bodily_fluids breasts common_hippopotamus cum dildo dildo_sitting eyes_closed female gajo genital_fluids genitals hippopotamid mammal masturbation nipples nude overweight overweight_anthro overweight_female penetration raised_tail sex_toy side_boob solo sweat tail toying_self vaginal vaginal_fluids vaginal_masturbation vaginal_penetration vulva

all_fours anthro anus asinus balls beagle bear big_breasts blonde_hair blush bodily_fluids boots breast_fondling breast_play breasts brown_hair butt butt_grab canid canine canis clothing common_hippopotamus cowgirl_position cum cum_in_vagina cum_inside cumshot cunnilingus detailed_background doggystyle domestic_dog donkey dragon ejaculation equid equine erection eyes_closed eyewear felid fellatio female fondling footwear forest foursome fox from_behind_position from_front_position gangbang genital_fluids genitals giraffe giraffid glasses group group_sex hair hand_on_breast hand_on_butt hat headgear headwear hippopotamid horse humanoid_genitalia humanoid_penis hunting_dog interspecies lagomorph large_group laugh leporid licking lion male male/female mammal mass_orgy mature_anthro mature_female mother_(lore) mouse multiple_positions murid murine mustelid mythological_creature mythological_scalie mythology nature nipples nude on_bottom on_top oral oral_penetration orgasm orgy otter outside pantherine parent_(lore) paul_lucas penetration penile penis plant rabbit raised_tail red_hair rodent scalie scent_hound sciurid sex shoes shrub sideways_oral spade_tail spread_legs spreading stand_and_carry_position standing standing_sex story_at_source straddling stripes tail tail_grab threesome tongue tongue_out traditional_media_(artwork) tree tree_squirrel vaginal vulva wood

4:3 anthro bear bentley_turtle cane chart common_hippopotamus controller dewlap_(anatomy) dimitri_lousteau giant_panda group gular_flap harpoon height_chart hippopotamid holding_controller holding_object holding_remote_control iguana iguanid imperial_unit koala lineup lizard male mammal marine_iguana marsupial measurements melee_weapon mouse murid murine murray_hippopotamus number official_art panda_king penelope_(sly_cooper) playstation playstation_2 playstation_logo polearm procyonid raccoon remote_control reptile rodent scalie sly_cooper sly_cooper_(series) sony_corporation sony_interactive_entertainment spear sucker_punch sucker_punch_productions tail the_guru turtle unit unknown_artist vehicle video_game_logo vombatiform weapon wheelchair

abs absurd_res anal anal_penetration anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro ape arm_around_shoulders badger balls bdsm beard belly biceps big_balls big_muscles big_penis black_hair blue_eyes bodily_fluids brown_eyes carrying_another carrying_partner carrying_position common_hippopotamus cum cum_in_ass cum_in_mouth cum_inflation cum_inside cum_on_belly cum_on_body cum_on_chest cum_on_penis cum_on_self cum_pool cum_through dominant dripping erection excessive_cum excessive_genital_fluids eyebrow_piercing eyebrow_ring facial_hair facial_horn facial_piercing felid foursome fur furgonomic_piercing furgonomics furryrevolution gangbang genital_fluids genitals gorilla grey_body grey_fur group group_sex hair hand_on_shoulder haplorhine hi_res hippopotamid horn horn_piercing horn_ring_(piercing) huge_penetration huge_penis humanoid_genitalia humanoid_penis inflation larger_dom larger_male male male/male male_penetrated male_penetrating male_penetrating_male mammal messy multiple_insertions muscular muscular_arms muscular_male mustelid musteline nature nipple_piercing nipple_ring nipples nose_horn nose_piercing nude open_mouth orgasm outside pantherine pecs penetration penile penile_penetration penis penis_size_difference piercing plant pose precum primate pubes red_eyes relaxing rhinoceros ridiculous_fit ring ring_piercing sandwich_position sex simple_background size_difference sky slightly_chubby smaller_male smaller_penetrated spread_legs spreading standing standing_sex sweat teeth thick_penis tongue tongue_out tree triple_anal triple_penetration twisted_sandwich_position twisted_sex vein veiny_penis

absurd_res accessory anthro anus backsack balls bent_leg bent_legs big_penis black_nose blue_eyes bodily_fluids bottomless bottomless_anthro bottomless_male brown_body brown_eyes brown_fur butt clothed clothing common_hippopotamus computer countershading desk detailed_background duo electronics erection foreskin front_view fur furniture furryrevolution gaping gaping_anus genital_fluids genitals hand_on_butt hi_res hippopotamid humanoid_genitalia humanoid_penis imminent_sex inside larger_male leaning leaning_forward leaning_on_desk looking_at_another looking_at_partner looking_back looking_back_at_another looking_back_at_partner male male/male mammal multicolored_body multicolored_fur musclegut muscular muscular_anthro muscular_male mustelid necktie nipples nude nude_anthro nude_male office on_desk open_mouth open_smile otter paper pecs penis plant pose precum presenting presenting_hindquarters retracted_foreskin shirt size_difference slightly_chubby smaller_male smile spread_anus spread_butt spread_legs spreading standing suit sweat table tail teeth tongue topwear two_tone_body two_tone_fur undressing vein veiny_penis white_body white_countershading white_fur window

after_sex alligator alligatorid anthro ballerina ballet ben_ali_gator bodily_fluids bottomwear breasts clitoris clothing common_hippopotamus crocodilian cum cum_on_vulva dance_shoes dancewear demi-pointe_shoes disney duo erection eye_contact fantasia female footwear from_front_position genital_fluids genitals hat headgear headwear hippopotamid hyacinth_hippo interspecies kneeling leaning leaning_backward legs_up looking_at_another lying male male/female mammal mistresssparkles nipples nude on_back overweight penis predator/prey reptile scalie sex shoes skirt tail tutu victory_position vulva

anal anal_penetration anthro balls biceps bodily_fluids canid canine canis common_hippopotamus cum cum_from_nose cum_in_mouth cum_in_nose cum_inside digitigrade dildo domestic_dog duo erection fellatio furryrevolution genital_fluids genitals hippopotamid humanoid_genitalia humanoid_penis internal larger_male male male/male male_penetrated male_penetrating male_penetrating_male mammal monochrome muscular nipples nude oral oral_penetration orgasm penetration penile penis sex sex_toy size_difference slightly_chubby smaller_male toying_partner

anthro bloo bottomwear clothed clothing common_hippopotamus dancing eyes_closed floral flower flower_garland garland grass_skirt happy hippopotamid hula jewelry lei male mammal navel necklace plant simple_background skirt solo tail topless white_background

aquarium comic common_hippopotamus dialogue duo english_text gillpanda hi_res hippopotamid human magic male mammal solo_focus speech_bubble text transformation vivarium water wet

anthro belly big_breasts big_butt breasts butt clothing comic common_hippopotamus dialogue english_text expansion female gender_transformation gillpanda hi_res hippopotamid mammal nipple_outline overweight overweight_anthro overweight_female solo text torn_clothing transformation verbal_reaction_to_tf

2011 anthro big_breasts big_butt bodily_fluids breast_expansion breasts butt comic common_hippopotamus cum dialogue duo english_text erection expansion gender_transformation genital_fluids genitals gillpanda gynomorph hi_res hippopotamid huge_breasts humanoid_genitalia humanoid_penis intersex mammal nipple_outline obese overweight penis solo_focus speech_bubble text transformation verbal_reaction_to_tf wide_hips

2011 anthro balls big_breasts big_butt bodily_fluids breast_expansion breasts butt clitoris comic common_hippopotamus cum dialogue english_text erection expansion female gender_transformation genital_fluids genitals genitals_shrinking gillpanda gynomorph hi_res hippopotamid humanoid_genitalia humanoid_penis intersex mammal nipples nude obese obese_anthro obese_female orgasm orgasm_from_transformation overweight overweight_anthro overweight_female penis penis_shrinking solo speech_bubble text transformation vulva wide_hips

2011 anthro big_breasts big_butt bodily_fluids breast_expansion breasts butt comic common_hippopotamus dialogue english_text expansion female fingering fingering_self gender_transformation genitals gillpanda growth hi_res hippopotamid huge_breasts hyper hyper_breasts lactating mammal masturbation milk nipples obese obese_anthro obese_female overweight overweight_anthro overweight_female snout snout_growth solo text transformation vaginal vaginal_masturbation vulva wide_hips

2011 after_transformation anthro belly big_belly big_breasts big_butt bodily_fluids breast_expansion breasts butt comic common_hippopotamus cum cumshot dialogue duo ejaculation english_text expansion female fingering fingering_self genital_fluids genitals gillpanda hi_res hippopotamid huge_breasts hyper hyper_breasts lactating mammal masturbation milk nipples obese orgasm overweight overweight_anthro projectile_lactation solo_focus speech_bubble sweat text vaginal vaginal_fluids vaginal_masturbation vaginal_squirting vulva wide_hips

after_transformation anthro big_breasts big_butt breast_expansion breast_squish breasts breasts_frottage butt comic common_hippopotamus dialogue duo english_text expansion female female/female gillpanda hi_res hippopotamid huge_breasts hyper hyper_breasts interrobang kiss_on_lips kissing mammal obese overweight speech_bubble squish surprise_kiss text wide_hips

anthro big_breasts big_butt breasts butt comic common_hippopotamus dialogue duo english_text erect_nipples female gillpanda hands_on_hips hi_res hippopotamid huge_breasts hyper hyper_breasts mammal nipples obese overweight pose pupils speech_bubble star_eyes text unusual_pupils wide_hips

3d_(artwork) ambiguous_gender baby_hippo_(character) common_hippopotamus digital_media_(artwork) english_text freckles grandfathered_content hippopotamid mammal outfit_7 palm_tree plant solo text tree

ambiguous_gender avian bird blood bodily_fluids comic common_hippopotamus death duo english_text feral hi_res hippopotamid humor killing knife mammal plant profanity reza_farazman scenery text tiny_hippo train tree vehicle wood

bath bathroom breasts bubble common_hippopotamus curtains edmol female hippopotamid hooves mammal shampoo soap solo teeth transformation water wet

3:4 anthro armpit_hair body_hair bulge clothed clothing common_hippopotamus detailed_bulge digital_media_(artwork) erection erection_under_clothing genital_outline hairy hi_res hippopotamid leotard male mammal mot penis_outline pose satyr slob solo transformation

80s_hair alternative_fashion anthro bottomwear clothing colored_nails common_hippopotamus female goth green_eyes green_hair hair hippopotamid mall_goth mammal multicolored_hair multicolored_pants nails pants pink_hair solo unokitsune

4:5 anthro big_butt butt common_hippopotamus dreamworks female gloria_(madagascar) hi_res hippopotamid huge_butt madagascar_(series) mammal presenting presenting_hindquarters rat_(artist) solo

2008 2_(number) 3d_(artwork) 5:4 anthro bald belly big_belly black_eyes bottom_heavy branch breasts character_name colored common_hippopotamus company_name dated digital_media_(artwork) dreamworks english_text equid equine eyebrows eyelashes featureless_breasts featureless_crotch female female_anthro flat_chested giraffe giraffid gloria_(madagascar) grandfathered_content green_background green_theme grey_body grey_skin hand_on_hip hippopotamid looking_at_viewer madagascar_(series) mammal movie_poster nude nude_anthro nude_female number official_art on_model outside overweight paramount_pictures plant pose savanna scales shaded short_tail side_view silhouette simple_background sky smile smiling_at_viewer solo solo_focus tail text title trademark tree unknown_artist url wallpaper white_body white_scales zebra

4:3 4_fingers anthro archived_source biped character_name common_hippopotamus dreamworks english_text eyebrows facial_hair fingers fist green_background hippopotamid looking_aside looking_at_viewer madagascar_(series) male mammal moto_moto official_art overweight overweight_anthro overweight_male red_eyes simple_background solo standing text unibrow unknown_artist wallpaper

2012 2d_animation 4:3 aides aids alcohol ambiguous_gender animated anthro apple apple_in_mouth aquatic avian balloon balloon_support banana bar bdsm bed beverage bird blowhole_penetration bodily_fluids bondage book book_title bound canid canine car cetacean chain chicken commercial common_hippopotamus cum cum_inflation cum_inside dancing dart desk dolphin domestic_cat domestic_pig elephant elephantid excessive_cum excessive_genital_fluids eyewear feathers felid feline felis fellatio female feral fish flash fleischer_style_toon food fox fruit furniture galliform genital_fluids glasses goodby_silverstein_&_partners greyscale group hanging_from_balloon haplorhine hippopotamid holding_balloon holding_book holding_object inflatable inflatable_support inflated_balloon inflating_balloon inflation inside interspecies lagomorph leporid library locker male male/ambiguous male/female mammal monkey monochrome multiple_partners multiple_scenes music oceanic_dolphin open_book oral penile phasianid pinniped plant primate proboscidean public_service_announcement rabbit reptile rodent scalie sciurid seal sex shell short_film smutley_the_cat sound suid suine sus_(pig) table text thrusting title toony toothed_whale translated tree_squirrel turtle typewriter unknown_artist vehicle water what

bovid bovine cartoon_network clothing common_hippopotamus female group hippopotamid joanie_ox latanya_hippo mammal margaret_rhino my_gym_partner's_a_monkey overweight rhinoceros sumatran_rhinoceros unknown_artist

5_fingers 5_toes abs alpha0 anal anal_penetration anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro armlock badge balls barefoot bars bear beefeater biceps big_muscles big_penis bodily_fluids bottomwear bottomwear_down brown_bear clenched_teeth clothed clothing club_(weapon) common_hippopotamus cot erection feet fingers forced fur genital_fluids genitals grizzly_bear group group_sex gulonine handjob hat headgear headwear hippopotamid holding_object holding_penis humanoid_genitalia humanoid_penis jacket kneeling male male/male male_penetrated male_penetrating male_penetrating_male male_rape male_raped male_raping_male mammal masturbation melee_weapon muscular muscular_male mustelid musteline navel nightstick nipples open_clothing open_jacket open_mouth open_shirt open_topwear overweight pants pants_down partially_clothed pecs penetration penile penile_masturbation penile_penetration penis penis_grab pig_cop pillow plantigrade police police_badge police_baton police_brutality police_uniform pose precum prison prison_bars prison_cell prison_rape prisoner rape restrained saliva saliva_string sex shirt slightly_chubby suid suine sus_(pig) tail teeth toes tongue tongue_out topwear tusks uniform ursine weapon wild_boar wolverine

abs all_fours anal anal_penetration anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro ape back_groove backsack balls bare_chest bench biceps big_muscles big_penis bite biting_lip biting_own_lip black_eyebrows blue_clothing blue_eyes blue_hat blue_headwear blue_shirt blue_topwear bodily_fluids boots bottomless brown_balls brown_body brown_skin brown_tail butt car clenched_teeth clothed clothing common_hippopotamus cum cum_in_ass cum_inside duo ear_piercing ear_ring erection eyebrows footwear fur furryrevolution genital_fluids genitals gorilla grey_body grey_fur haplorhine hat headgear headwear hi_res hippopotamid inside light lighting looking_at_another looking_back looking_back_at_another male male/male male_penetrated male_penetrating male_penetrating_male mammal mechanic monotone_balls monotone_body monotone_genitals monotone_skin mostly_nude mostly_nude_anthro mostly_nude_male muscular muscular_anthro muscular_male navel nipples on_bench on_surface open_clothing open_mouth open_shirt open_topwear orgasm pecs penetration penile penile_penetration penis penis_in_ass piercing pink_balls pink_body pink_penis pink_skin platform_sex primate red_eyes red_tongue ring_piercing self_bite sex shirt shoes short_tail sweat tail teeth thick_penis tongue tools topless topwear unprofessional_behavior vehicle vein window wrench

2012 4_toes 5_fingers anthro biped boat casual_nudity common_hippopotamus day dragging feet fingers flaccid fur genitals grey_body grey_fur hi_res hippopotamid holding_object karja male mammal nipples nude outside penis rope sand sky slightly_chubby solo standing toes vehicle water watercraft

anthro biceps big_muscles common_hippopotamus dreamworks eyebrows facial_hair flexing hairy hippopotamid looking_at_viewer madagascar_(series) male mammal moto_moto muscular muscular_anthro muscular_male navel pecs pose solo towel towel_only unibrow wkd

2012 accessory anthro biped blue_and_white blue_theme bow_(feature) bow_accessory bow_ribbon breasts common_hippopotamus female hair_accessory hair_bow hair_ribbon hippo_model hippopotamid jonas-pride link's_awakening mammal monochrome navel nintendo nipples ribbons solo standing the_legend_of_zelda towel

2012 abs alcohol anal anal_penetration anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro armpit_hair arsinoe beard bed beer belly_hair beverage biceps black_background black_eyes black_hair blush bodily_fluids body_hair brown_body brown_skin bubble chest_hair common_hippopotamus crocodile crocodilian cum drunk drunk_bubble duo erection facial_hair food from_behind_position furniture genital_fluids genitals goatee green_body green_scales grey_body grey_hair grey_skin hair hairy hi_res hippopotamid hyde_baysch interspecies kneeling krokodyle looking_down lying male male/male male_penetrated male_penetrating male_penetrating_male mammal muscular nude on_bed on_front overweight penetration penile penile_penetration penis pubes reptile scales scalie sex short_story simple_background story story_in_description substance_intoxication tail tan_body tan_skin wanikami watermark

anthro backsack balls butt common_hippopotamus digital_media_(artwork) flaccid foreskin genitals hippopotamid lagomorph leporid male mammal mot nude overweight overweight_anthro overweight_male penis rabbit slightly_chubby solo transformation