Firecrapper
A unpleasant crap, usually after having foods that contain spice. Can also be used as a very large crap that can be heard from at least two rooms down.
Andrew: "Yo do you here that? It sounds like death in there."
Louis: "Yeah Brian just ate some crazy asian food, he's taking a firecrapper."
Andrew: "Oh that sucks, last time I had one of those my ass hole was so irritated; I couldn't wipe my ass for three days."