There's a new dance craze sweeping the NFL and the sports world in general: the Dougie.
We've seen football players, basketball players and mascots all doing the Dougie. But what exactly is it? Who does it the best?
These are the 10 best Dougies of 2010, plus a bit of explanation about what all the fuss is about.
Be warned that this slideshow contains videos with explicit rap lyrics, making it unsuitable for children or work.