Let's talk Lyrics

I was listening to Hot 99.5 from DC. Yeah I know it's a pop station but the kids were in the car. But the Black Eyed Peas came with Boom Boom Pow. The beat for this song is Jammin' I have to admit, but what the hell are they talking about? I mean lyrics like "I'm so three thousand and eight/ you so two thousand and late" say absolutely nothing.Now I'm wondering why even waste the time putting