Rule 34 Dev - animal_genitalia animal_penis anthro balls big_balls big_penis bovid caprine cowbell curved_horn duo equine_genitalia equine_penis erection facial_piercing fur genitals goat grey_background grey_body grey_fur hair half-closed_eyes hi_res hooves horn huge_balls huge_cock humanoid_genitalia humanoid_penis lagomorph leporid male male_only mammal multicolored_body multicolored_fur narrowed_eyes nose_piercing nose_ring penis piercing rabbit ring_piercing simple_background smile smirk smug smug_face two_tone_body two_tone_fur vein veiny_penis white_hair xing1|13880360968