This has to be seen to be believed. In fact, I've seen it, but I still don't believe it. I'm still giggling, though
Update: Apparently, my disbelief was justified. I went back to look at it again, and most evidence of its existence has vanished. Check here if you want the scoop.
Update #2: Well, it's back, and funny as ever. I've heard there is a version with music, too. (YMCA.)
