Rule 34 Dev - 2014 animal_genitalia animal_urethral_insertion animated anthro_urethral_insertion anus ass ball_eater ball_stealing balls castration cutie_mark equine extraction feral flaccid gelding gore horse lake lostdragon01 male mammal monster my_little_pony nude penetration penis pony scrotum tentacle testicle_extraction testicles urethral urethral_insertion urethral_penetration|1884233960