I was at a party when I was in college, someone put The Pogues [http://www.youtube.com/watch?v=B_giKJLdfqk] tape in the boombox (yeah, I am that old) and I grabbed a friend and went romping around the room in a sort of mock polka. We crashed into someone, and that's how we ended up inventing the mosh polka. Everyone was bouncing around in circles with their partners, crashing into everyone else, and most of the furniture too. The whole place turned into one big polka pit. The secret was to try and swing your partner around at the last minute so they took all the impact. The oddest thing about this: nobody was drunk or stoned. There wasn't a drop of alcohol or speck of weed in the entire house.
