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The fob way of saying whats up dude. You will typically hear the phrase "wa sa du" outside internet gaming cafes where there will be people of asian decent that happen to slur their words.
Wa sa du!? Not much man, I'm just really bummed I flunked my Calculus BC AP test. Its all good du. Wa sa!
by fa'irie force October 25, 2006
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