Top Definition
a hash tag that has lately been popular on Facebook, usually done between friends, naming descriptions of the person and adding question marks after each one, then saying you know the person and asking #whywasup?
Kaitlyn? Haven't talked to since last yr? Had english together? Pretty? Nice? Smartt? seems realll?yeah I know her "#whywasup?"
by ShenShen<3 November 14, 2010

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