FURVERT!

absurd_res animal_genitalia animal_penis anthro anus backsack balls big_balls big_butt big_penis biped black_body black_fur brown_body brown_countershading brown_fur butt butt_focus canid canine canine_genitalia canine_penis canis clenched_teeth countershading dobermann domestic_dog erection fur genitals grin hi_res holding_penis knot knotted_penis leash leash_pull leashed_viewer looking_back low-angle_view male male_anthro mammal multicolored_body multicolored_fur muscular muscular_anthro muscular_male nude penis penis_backwards pink_anus pink_penis pinscher rear_view scut_tail sharp_teeth short_tail smile solo tail teeth two_tone_body two_tone_fur vein veiny_penis weskers