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1.
Acronym for "Shut The Fuck Up Already".
You must be a stupid ass-hole, STFUA
by New Marquis de Carabas October 07, 2007
 
2.
A shorter way of saying: "Shut the fuck up asshole!"
Bob: "Dude get a fucking life!"
You: "STFUA!"
by AndrewJ September 26, 2005