When one wants to say "sup" or "what's up?" to multiple persons or a group collectively rather than every person individually.
Person approaching group of people: "Sups"
Group of people to person: Sup
by davecoppafeel June 30, 2011
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short version of "Wassup", "What's up", or "what up"
by ac January 31, 2004
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An acronym for "Stand Up Paddling"
A sport involving standing on a surfboard with a paddle.

In Hawaiian it's "Hoe he'e nalu"
Sun is out and the water is calm, want to go SUP?

Let's grab the gear and go!
by Planely C March 15, 2016
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To sup. i.e. To show interest in a member of the opposite sex with verbal expression.
"I heard everyone's supping that new chick"
by Cleburn P Wifflestaff December 4, 2008
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1. An abbreviation of "what's up?"

2. A surefire way of killing a conversation before it's even begun.
Bill: Hey.
Ted: Hey.
Bill: Sup?
Ted: Nm, u?
Bill: Nm.

*close conversation window after 30 mins of inactivity*
by Noiree February 27, 2010
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