rule 34 animal genitalia animal penis anus armor balls concentration earth pony equine equine penis erection fan character featureless limbs flared penis friendship is magic horn cock line art looking down lying male mammal medial ring melee weapon my little pony on back penis penis tip perineum petrock polearm pony quadruped royal guard mlp sheath shindig flare spear spread legs spreading standing tongue tongue out unicorn weapon yaoi 2293182