"What's up," but how one gets "wassabe" from that is unknown.
Person A: wassabe?
Person B: that means?
Person A: what's up?
Person B: how you get wassabe from that?
Person A: cause I'm cool like that
Person B: you're stupid
a universal greeting typically used when meeting good friends after you drank 20 cokes.
hey dude your shaking a little bit