Begin running, and when the bass drops, the school population will be running behind you in the most unorthodox fashion.
My old high school just recently did one... It was something to add to the mounting list of "reasons I am happy I graduated."
My school filmed one with all the faculty, but they interrupted periodically with Gangnam Style. And it was like, "which fad is worse? NEITHER BECAUSE IT'S ALL STUPID!" halp me
My class decided to this about a week ago. If ever you see a video with a guy sitting at the back of the classroom doing nothing, but watching the horror unfold in front of him. That would be me.