What's up

Used to mean "she/he/you is/are very attractive and I would very much enjoy making love to you." It is derived from "A Night at the Roxbury"
Steve: What's up? What's up? What's up? What's up? What's up?
Doug: Steve, slow down.
Steve: I can't help it man, it's hottie overload.
Doug: Just pace yourself.
Steve: Ok... What's up?... 2, 3, 4. What's up?... 2, 3, 4...
by Tonberry2000 April 22, 2009
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Whats up.

A simple greeting. Another way to say hello.
Two people are walking down the street.
Person A: Whats up.
Person B: Whats up.
by crakajack007 March 30, 2009
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what up?

ob trice is better than vanilla ice
it is not cos he is wight or his mums a dike or cos he lives in a f##ing slum its cos hes gay and takes it up the ????
by mazzer October 01, 2003
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That's what's up

Person says: "Yo, I just got this/these hot new (shoes, job, CD, car, etc.) You say: "That's what's up!"
by Amber Ivy August 25, 2015
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What’s up

What’s up girl
by Adotham December 10, 2018
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boy what up

a phrase used to greet other people. orig. by @kermit_nofrog
"Boy what up!!! I ain't seen you in a hot minute!!! We going hard at Club Vegas VIP tonight!!!"
by @CLUB_VEGAS_VIP December 20, 2011
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so what up then

phrase indicating you would like to begin to fight a person
person 1: yeah whatever; you talk mad shit
person 2: SO WHAT UP THEN !?
person 1: SO WHAT UPPPPP !
by krisskidddd September 10, 2009
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