Rule 34 Dev - 2014 4:3 anus ass backsack balls blue_eyes boulder clothing dickgirl earth_pony equine feral friendship_is_magic fur grey_fur hair half-closed_eyes horse intersex mammal maud_pie_(mlp) my_little_pony notsafeforhoofs penis pony purple_hair raised_tail rock simple_background solo white_background|3061694064