Costswolds Rain Dance
Stephen posts a nice video on the Costswold Rain Dance. (I'm not going to repost it; go to CSS if you want to see it.)
Now, my fraternity used to a dance like this in the 1970s, at Davidson. Of course, we had on no clothes, and there was was butter involved, but pretty similar dance otherwise.
(Props to SC, for pointing out the misspelling...)