85
(v) An acronym for the phrase "Stop The Frolicking Unicorns!", a phrase used by Shroomers, Acid-Users, and other hippies from H$A, S.F, used to tell people to stop the unicorns they see frolicking down the street after they become hallucinated due to the Acid and Shrooms and start to see frolicking unicorns.

(See "Harold and Kumar Escape from Guantanamo Bay")
Person 1: "Tom, whats wrong? You look freaked out man..."

Person 2: "STOP THE FROLICKING UNICORNS!! THEY'RE COMING RIGHT FOR US MAN!! STFU!!"
by STFU650 August 16, 2008
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86
Set Thee Free Ulready
STFU as we live peacefully in a free country and support all of mankind in our quest for lifes better intelligence.
by loverocn January 17, 2010
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87
it means shut the fuck up used online when you want someone to stop talking
by pyrokilla February 27, 2008
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88
Used to mean Shut the "F" up, also means Step the "F" up.
"If you think you are man enough, then STFU and prove it".(Reference to the phrase, "Cowboy up"). Of course both phrases are commonly used together.
"If you think you are man enough, then STFU (Step The "F" Up) and prove it, otherwise STFU (Shut The "F" Up) and sit your ass down".
by Cable Kenn February 24, 2006
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89
John Cena's other finisher, used to cause HHH and Shawn Michaels to tap out at the last two Wrestlemanias.
The STFU is one of the weakest-looking submission maneuvers in wrestling.
by Robert M. Glory August 26, 2007
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90
Shut the fuck up
to tell someone to be wuiet using profanity.
Mainly abbreviated in AIM, other chatting, and nerdy-ass, MMORPG computer games such as WoW or EverQuest
Guy 1: STFU n00b
Guy 2: I got tolded in tha hezay
by Zoso_maniac February 17, 2007
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91
"I'm out to get busy!"

"Well start the funk up!"
by misterchill March 16, 2004
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