In this age of the constantly moving Information Superhighway (yeah I'm taking it back, deal with it), yesterday's dance craze or insanely popular meme is already dead and buried.
So what's big now? Well, it's got to be The Bill Self. It's practically the MC Hammer Shuffle, but updated for modern times.
What are you waiting for? Get to it! I want 5,000,000 YouTube videos on my Internet by sunrise!