A degree of getting ripped-off past "getting taken up the ass" or "getting screwed." The person cheating the other is not only "taking them up the ass," but are doing so without the consideration of even applying lubricant. It truly doesn't get any worse.
"Man, that salesman just drywalled me on that deal."
"He screwed me over when he sold me his atari, but not throwing in the games is just drywalling me."