look up any word, like sex:
 
22.
start the fun unicorns
dude, just stfu.
by sarahpenaliesss February 10, 2010
 
23.
1.Acronym for SHUT THE F*** UP
2.For same thing for u
1.Joe:Hahaha you suck!
Jack:STFU
Joe:No u

2.Remma:Your lookin' hot
Jake:stfu too
by spike09 November 14, 2009
 
24.
Stuff That's Fun Usually.
Canned goods and hitting little kids is STFU.
by fruitsmakemehungry. August 21, 2009
 
25.
An acronym for Shut The Fuck Up. The illiterate mass that uses this seems to conveniently fail to realize that acronyms do not include a "T" for the article "the".
"If you ain't got nothing nice to say, then STFU."

"That's a double-negative."

"Huh, why do you speak in gibberish?"
by Killa Clownz November 05, 2008
 
26.
Comes From Shut The Fuck Up
Guy 1: Why are you being a pussy today?
Guy 2: STFU!
by Andrew Mister February 18, 2008
 
27.
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 09, 2013
 
28.
Speak the fuck up
Johnny please stfu and let your opinion be known
by Little Bobby Tables! April 02, 2013