2018 ambiguous_gender anal animal_genitalia balls blue_hair clothing cock_transformation cub cutie_mark dickgirl drooling duo equine erection fan_character feral friendship_is_magic fur grotesque hair horn horse hyper intersex looking_at_viewer mammal merging multicolored_hair my_little_pony open_mouth peeing penis pony purple_eyes saliva sex smudge_proof tongue transformation trixie trixie_(mlp) unicorn urine watersports young