stf

<argv0> hey marlon i have the best story 4 u !
<marlon> stf.
by Jinx June 13, 2004
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stfs

Person 1) "Hey, you suck"

Person 2) " Bro, STFS"
by sofunnydefinitions April 14, 2010
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StF

Shit The Fuck

To be really pissed off/ angry / annoyed at sumthing
Mitch: "StF"
Bill: "What?"
Mitch: "I Just kicked my toe on that Mutha F**KER step :@ !! "
by OC_73 July 12, 2006
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stf

"blarblarblarblarblarblarblarblar..."
"STF, nigga!"
by Inpyo April 29, 2004
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STF up!

Polite manner of saying, “shut the fuck up!” without the vulgarity.
As her small children looked on, she yelled: “STF up! you little four-legged yapping machine, go in the house, go to beddy!”
by Dr Bunnygirl August 09, 2019
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When a person catches a cold or flu virus after a sexual encounter with another person infected with the virus.
Tim: How come you're coughing so much?
Andy: Caught a STF from that chick last night.

Sexually Transmitted Flu (STF)!
by lkitten February 27, 2010
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Sandy Turd Flex (STF)

When you're taking a dump and your butt flexes forcing the poop to retract into your butthole causing the sensation of sandpaper going up your butt.
"Man I hate it when I have a sandy turd flex (STF) in the bathroom"
by Matt Stazjic February 05, 2016
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