Rule 34 Dev - animal_genitalia anthro balls black_hooves black_mane black_tail blue_eyes cheeky_smile equine_legs flaccid fur genitals gesture glans grey_balls grey_body grey_fur grey_sheath hooves male mane nipples nude nude_male one_eye_closed penis penis_in_sheath pink_nipples pink_penis pink_tongue retracted_penis sheath smile smiling_at_viewer solo tail tongue tongue_out waving waving_at_viewer white_blaze wink faeseiren appaloosa equid equine horse mammal 4:5 absurd_res hi_res|23299040905