Top Definition
A combo of STFU (Shut The Fuck Up) FU (Fuck You) and FUCKu.... (Fuck You)
Used to tell one person all these things without typing them all....
Larry: Dude! I can't believe your girlfriend dumped you!
Gary: Dude why don't you STfuCKu!
by kittiesrule July 07, 2009

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