Dictionary.com

wassup

or whas·sup or wus·sup

[ wuhs-uhp ]
/ ˈwʌsˈʌp /

interjection Slang.

what’s going on or happening; what’s up (used as a greeting).

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A bet is synonymous with a wager, but what does it mean in New York?
Often it means something is impossible.
It’s another way to agree with someone.
It serves as an apology.
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Origin of wassup

First recorded in 1900–05; pronunciation alteration of what’s up (in the same sense)

Words nearby wassup

Wassermannfast, Wassermann reaction, Wassermann test, Wasserstein, Wassily chair, wassup, wast, wastage, waste, waste away, wastebasket
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for wassup

wassup
/ (wɒˈsʌp) /

sentence substitute

slang what is happening?

Word Origin for wassup

C20: from what's up?
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012