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1 definition by I'mwhatsup(:

 
1.
Used to agree with something, To say you like something, When you don't know what else to say, and when you don't know how to answer a text.
-I'll be there later.
-That's whats up.

-So, I'm bored.
-That's whats up.

-Wanna get burritos?
-That's whats up!!
by I'mwhatsup(: February 11, 2010
43 15