shut the f*** up~ another kind way of tell someone to be quiet.
Friend~Talking really loud.
Me~Stfu I'm trying to watch tv.
by XxZoexX July 27, 2020
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1) Acronym used for the phrase "shut the fuck up" for efficiency reasons.
Please stfu because I am trying to read.
by johnisthegame February 28, 2003
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abbreviation for shut the f*ck up.

AKA::

Stop
Tickling
Furry
Unicorns.
shut the f*ck up dude.
no you stop tickling furry unicorns!
man, just stfu, stfu.
by jujujuju100982563009lol July 10, 2013
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A way of saying "shut the fuck up", instead of actually typing it. Has less meaning than actually typing "shut the fuck up", and is often said by people that are losing an argument or can't think of a comeback.
Guy A: "You just contradicted yourself. Twice."

Guy B: "faggit"

Guy A: "Yeah, that's what I thought, you can't think of anything, loser."

Guy B: "stfu"

Guy C: Just admit you lost, Guy B.
by Arch0wl May 16, 2005
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Southern Tenant Farmers' Union (STFU): Large labor union, formed in Arkansas in 1934, which lobbied the federal government for better New Deal reforms. Dissolved in 1960. Commonly causes mirth among US History students who are aware of the acronym's double meaning.
Teacher: Joey will you please tell the class about the STFU?

Class: Hahahahahahahahaha
by jer February 24, 2005
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Shut the fuck up. It's simple. When you are annoyed with someone who won't stop ranting on instant messaging, you type "stfu!!" But be sure to limit yourslef to two exclamation points, though, because three will look too angry. You could also type two exclamation points and then a "1". Like this: stfu!!1. This way, the third exclamation point is there, but only in spirit. This puts a little extra anger, but not so enough to make the other person angry at you. :)
~On instant messaging~

like_totally_cheergrl07: like omg omg omg we like totally had so much crap to do today in like science because the teacher is like so bitchy and she doesn't get that I have a life! I mean COME. ON. Wtf???!!!
xXxmy_heart_bleeds_blackxXx: stfu!!1
by Cexy October 14, 2007
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