When you need to greet someone and hi and hey are just not cool enough for that person.
Girl: wassoup?
Guy: hey
Girl 2: hey is so lame!
Guy: uh . . . I didn't say hey, I said wassoup duh!
by InternetAddict2222222 January 20, 2013
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A mispelling of wassup or wall fixtures...
Steriotypical Black Dood From LA: Yo, homes. Wassoup!

other Steriotypical Black Dood From LA: Yo trippin' man, get off mah balls!
by -creed- March 24, 2004
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