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A term used for 'What da fuck is up?' Usually an expression of dismay, anger, or a greeting used amongst friends over the internet.

Also a shortened version of 'whudafxup?' used in tobacco commercials.

also written: wtfxup

example 1: "DUDE! Wdfxup? I can't get on this /.ed site!!"

example 2: "Hey wdfxup? You've been IM.MIA!"
by Schnoodles November 08, 2007
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