0 used as a friendly greeting, to ask someone how they are, or to ask what is happening:
His phone goes. "Wassup?" he says nonchalantly. "What are you doing?"
The ad consisted simply of a bunch of American blokes screeching "Whassup!" to one another down the phone.
Then Eddie was like: "yo wassup bro, yo it's ok yo".
Certain slang terms, such as "My bad" or "Whassup?", may lead to misconceptions about a student's potential.
Sometimes when I rang him he'd say, "Whassup?" and I, confused, would reply, "Nothing's up. Why do you think something's up? I'm just ringing to say hi..."