FURVERT!

abs animal_genitalia animal_penis anthro balls biceps big_penis biped black_claws black_nose bodily_fluids brown_body brown_fur canid canine canine_genitalia canine_penis canis claws clenched_teeth cum domestic_dog erection fangs fasttrack37d flexing fur genital_fluids genitals green_eyes grey_body grey_fur grin hands_behind_head knot lying male mammal markings muscular muscular_anthro muscular_male nude on_back paws pecs penis pose presenting reclining sheath sitting smile solo spots tail teeth toe_claws white_body white_fur