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the phonetic prononciation of "stfu," or "shut the fuck up."
Guy 1: "Hey man, Justion Bieber is an awesome singer!"
Guy 2: "Dude, what are you talking about??? Stifoo!"
stifoo by IAmAJoo July 7, 2011
Related Words
stifoo stafoo Stiffo stufoo Stefoo STIFO skifooza Snifoo Stfoojing Stfoom
An octopus-like creature with four tentacles that lives in Snifoo world. You can be a snifoo by putting your fingers to your mouth in a spider-like fashion and wiggling them. This tentacle mouth part is called a "sneef". They like to make sounds like this: Drooo droo droo dooo. They talk like snifoos. They say "Me" a lot. Say "yous" instead of you. They love to play tetherball.
Me snifoo!

I love yous snifoo!

Me silly, Snifoo!
Snifoo by Snifooloveyous August 9, 2012
Adj. Within spoken Italian context and epithet denoting unfavorable characteristics of a woman similar to the word "bitch."
"No, she's not nice, she's a complete skifooza."
skifooza by Big Richard Everest October 4, 2016
1. To phonectically say; "stfu".
2. A shorter and quicker way to say; "shut the fuck up".
Amy: "Nick, I don't want you to cum on my face!:("
Nick: "STUFOO, bitch!"

Alicia: "But, baby, I don't want you to go out to the bar!"
Vince: "I don't care... so, stufoo."
Stufoo by RangeRov49 July 24, 2006
v. to "shut the fuck up," an acronym known as stfu.
1. tell that fucking teacher to stafoo.
stafoo by Kevin January 12, 2004
the pronouciation of the acronym STFU which means shut the fuck up. Stiffoo is just a better way of trying to say the letters, or more pg way of saying the full meaning. It also seems to lose some of its aggresion with the abbrivation.
person 1: so i was like 'blah blah blah' after she was all 'yadda yadda yadda'
person 2: god, stiffoo!

person A: stiffoo noob!
person B: why dont you just swear like a normal person?
stiffoo by anevilscientist September 22, 2007