Rule 34 Dev - animal_genitalia animal_penis anthro ass bovid caprine digital_media_(artwork) english_text equine_genitalia equine_penis erection flared_penis genitals glans goat group hi_res horn humanoid_genitalia humanoid_penis male male/male mammal mariart medial_ring nude penis penis_size_difference speech_bubble tail text vein veiny_penis|9930675968