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When something is really whats up. This is an appropriate time to say das wusup.
yo i just aced my mid term!!

Das wusup.
by pokerking January 24, 2010
used to signify approval of something one finds pleasant or cool; That's whats up; that's what's good; word up
Yo, you hit dat? Daswusup, son!
by ROI Guy December 10, 2006