Rule 34 Dev - 2013 anal anal_sex anus ass balls castration cock_and_ball_torture cutie_mark dress equine erection feral friendship_is_magic gay geld gypsy_vanner hair horse horsecock lostdragon01 male my_little_pony no_humans open_mouth pegasus penetration penis penis_piercing piercing pony sex spreading tied_hair twintails wings|1387045416