A contracted form of "What is up" or "What's up". See "What is up".
Seeing some friends, I often say "sup" to start a conversation and to see what they are up to.
by Scottmana September 15, 2007
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A combination of the two words Whats and Up using the last 3 letters if you combine the word.
by Fife1100 March 15, 2009
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Completely destroying a person's mental state by either using far more force than necessary to win a competition or taunting them after victory occured.
Sam slammed John's shot out of the air causing it to fly 30 feet out of the court then looked him in the eye and yelled "SUP NOW SON?" Sam had totally supped John.
by dajuicedog May 16, 2013
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Sup is a very nutty word that can be used in greeting one eachother when the person is a tank.

or
Suuuuup, can be used as an expression of excitement.
Aya: Hey Sup, how u doin?
Nutanese: Hey Sup!!! i am great how about you?

Aya: I'm great too! suuuuup
Nutanese: Suuuup
by The two Sups September 11, 2011
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The act of saying what's up to several members of the same sex, or, several what's up to one individual. When saying sups to one individual, you would be emphasizing hotness.
Damn, you see those broads up there, quick open the window, I'm gonna sups them! "Suuuuups girls, where you from?"
by Love King 604 September 8, 2011
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Dates back to the fatass era. Shortened rendition of What is up?(What's up?)
Sup, holmes
Sup with that hoe?
by Shadditude November 28, 2004
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