abs animal_genitalia animal_penis anthro balls black_balls brown_body claws crotch_tuft equine_genitalia equine_penis facial_piercing fist flaccid genitals glowing glowing_eyes half-erect horn low-angle_view male muscular nipples nose_piercing nose_ring nude penis piercing ring_piercing simple_background solo tuft vein veiny_biceps veiny_muscles veiny_penis yellow_eyes gauss bovid bovine mammal minotaur hi_res