Rule 34 Dev - 2018 abs animal_genitalia animal_penis anthro balls biceps biped black_balls black_penis brown_body brown_fur dirt equid equine equine_penis erection flared_penis front_view fur genitals grass hay horse looking_at_viewer male mammal mane medial_ring muscular muscular_anthro muscular_male navel nude nude_anthro nude_male orcfun pecs penis pink_penis plant presenting presenting_penis quads raised_arms serratus sheath solo stable standing triceps urethra|7917780272