Every guy worth his salt's gotta know how to dance -- or at least how to not stand out as a klutz when the music goes up.

So running into a real professional dancer -- Kelsey, who leads the Boot Scoot Troop at Seattle's 100.7 The Wolf -- at the Watershed Music Festival on Sunday was a coup.

I asked her to show me a step or two ... and then I showed her "The Cefus."