Top Definition
Abbreviation for "Shut the fuck up no one asked you."


It's used to intensify the fact that you don't want a person's opinion on a certain subject.

Most used when one is irritated or angry.
Sophisticated Aristocrat: I'm terribly sorry, but we must cancel Hannah Montana due to the inappropriate and obscene photos depicting Miley Cyrus.

Befuddled Idiot: No please don't! You shouldn't judge Miley Cyrus because she is a good role model.

Sophisticated Aristocrat: STFUNOAY
by Suspicious Lozer February 09, 2010

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