Oh yes, it's the viral video you've all been knowing about.
It's a song by a little-known Korean dude called Psy, and it caused a big craze worldwide.
Yes, I am talking about Gangnam Style. 474,915,766 views on YouTube alone and still counting. IT'S INSANE! AND I LOVE DANCING TO IT NON-STOP!
I even love the memes and parodies spawned by Gangnam Style, including: