[because his pants say "m"]
Go here and click on the image of the guy with the afro who's saluting.
Once you've installed all the various ActiveX controls, you should see an unattractive man chatting amiably in a language you don't understand. Be patient. He babbles for a minute or two, but then comes the video. It's not exactly genius or anything, but it's a helluva catchy tune, and Shim's goofy little dance, silly afro and M-pants are what it's really all about. That and the Korean raggamuffin rapper with the fur gloves.
Oh, and just so you know, the name of the song means "What is it?"