This is one of the greatest, funniest, and most famous Youtube videos ever, and best of all, I'm 90% certain it was not posted here;

http://www.youtube.com/watch?v=xJY4xoRWO9U

Related to this, I've probably listened to the following re-mix as often as Slayer's "The Anti-Christ";

http://www.youtube.com/watch?v=bZfyrIPw3wY

Now that's the type of shit I wouldn't mind listening to in a club.