FURVERT!

absurd_res alien animal_genitalia animal_penis anus balls big_butt butt comic duo equid equine equine_anus equine_genitalia equine_penis feral genitals half-erect harness hi_res hooves horse horse_venom hybrid male male/male mammal manahallowhound marvel mask multiple_scenes penis puffy_anus rear_view sharp_teeth spider-horse_(manahallowhound)spider-man_(series)surprised symbiote teeth