When your anus has a hangover from eating something very spicy that you aren't used to (especially something high on the scoville scale). You get spicy butt. The butt and rectum feels spicy. You may also get cap cramps.
refers to the production or fabrication of sub-standard products by one who misguidedly feels their creations worthy of high praise; oblivious to their lack of skills wasting money, time, and perfectly good materials.