Rule 34 Dev - animal_genitalia animal_penis argigen balls big_balls big_penis blue_body blue_fur cutie_mark equid equine equine_genitalia equine_penis erection feral feral_only friendship_is_magic fur hasbro horse horsecock male male_only medial_ring my_little_pony pegasus penis pony soarin_(mlp) solo tail veiny_penis|9954759664