It's about aliens. =D
Ah....the Llama Song. That was a craze, too. Dubi Dam Dam, Dragostea Din Tei, The Llama Song, and that thing about coconuts. Strange, but catchy.
Personally, I like the song this kid on AFV sang once. I think it went "This is how we do it, we pick out nose & chew it!"
...... >.>; I'm weird.