Yup, just boys goofing around as they are supposed to do. The vid would have been better if they were only wearing their undies. The two in the center are the best, but I agree with the other posts. The boy with the dark hair, goofy braces grin, & red briefs showing has the best moves & is the cutest of the bunch.
Las Ketchup - Asereje (Ketchup Song)
Wildly popular when I was younger. No idea what it's about though, don't speak Spanish.