Rule 34 Dev - abs animal_genitalia animal_penis anthro athletic autotailjob balls beak biceps biped black_hair black_nipples blush bodily_fluids bottomwear canine_genitalia canine_penis claws clothed clothing erection feathers feet fluffy genital_fluids genitals grey_body hair hand_behind_head hindpaw knot leaking lying male masturbation muscular muscular_anthro nipples non-canine_knot nude on_back open_bottomwear open_clothing open_mouth open_pants pants pawpads paws pecs penile penile_masturbation penis pornography pose precum presenting purple_background purple_eyes sheath simple_background smile solo spread_legs spreading tail tail_around_penis tail_fetish tail_masturbation tail_play talons toe_claws toes tongue topless vein amit mythology mrbitey avian bird gryphon mythological_avian mythological_creature 2015|2596311165