STFF 

Search The Fucking Forums.

Derivative of RTFM.

Literally "Search The Fucking Forums"; a term showing the frustration of being bothered with questions that the asker could have quickly figured out the answer on their own with minimal effort, usually by searching the forums.

<forumnoob> how do I uninstall this program?
<@forumnoobsmakebabyjeebuscry> search the fucking forums.
<@forumnoobsmakebabyjeebuscry> that question has been asked and answered about a hundred times
<forumnoob> why
<forumnoob> you could just tell me

STFF by forumnoobsmakebabyjeebuscry March 4, 2005

stff 

abbriviation for the word stuff often used in instant messagin and txt messages

man 1: hey u wana go out tonite?
man 2: nah i got some stff on

stff by hEzZa123 July 24, 2009

stff 

Acronym.

Shut The Fuck Forever

<jinx> w00t! i just beat mario!
<marl0n> you're a gay ass
<jinx> stff.
<marl0n> :(

stff by Jinx April 13, 2004

STFF 

Stands for Shit Thats Fuckin Funny. to be used when something is funnier then an STF moment.

**This is the remix, created by Nester, the Rican from Rhode Island

Willmoney420: I saw an old lady fall down today.
Nchild357:stf
Willmoney420: she fell into a big pile of shit
Nchild357: stff

STFF by Will $¢haef November 30, 2004

STFFU

An adaptation to STFU, which has included a "fucking" to it. Basically translates to "Shut The Fucking Fuck Up!" Has no real purpose except to emphasize that you want the certain someone(s) to shut up.

Dude1:OMG Wassup dawg!

Dude2:STFFU BITCH!

STFFU by monkeygodkiller January 2, 2009

stffu

shut the fuckin' fuck up

when George W. Bush talks you can say StFFU

stffu by JEFF_HARDY_GIRL April 24, 2010

STFFU

Shut the flying fuck up.
Similar to stfu but used for more random people.

Jakki: "So I heard this really funny joke yesterday! But... I forgot it. It was really good though."
Calvin: "Dude, stffu, why don't you stop eating so much sugar and go jump off your roof and try to fly"

STFFU by Batmanxisxrad February 19, 2009