FURVERT!

2013 animal_genitalia animal_penis anus backsack balls big_balls big_penis blue_anus blue_body blue_eyes blue_fur blue_mane blue_penis blue_tongue bridle butt equid equine equine_genitalia equine_penis feral fur genitals grey_background half-erect horse looking_back male mammal mane penis presenting presenting_hindquarters puffy_anus quadruped raised_leg simple_background solo tibolf tongue truegrave9 vein