What do you think was on Kanye's butt? Twitter users are saying its 'shit'. Eww (photos)

This pic of Kanye at the Met Gala is going round on Twitter and IG. See the stain on the back of Kanye's jeans? After a close inspection, many think it's doo doo...lol. It could be the style of the jeans. See an upclose photo after the cut and tell us what you think...