STFU

means Shut the Fuck Up...basically shutting down whoever is talking.

why dont u STFU and go away!

by greg m April 29, 2004

Stfu

Being polite

Stfu I'm tryna have good vibezz

by Yeeeeeeeeeeeeeeeup December 6, 2016

STFU

State Tenant Farmer's Union.

STFU. It's in American history, guys!

by ms devious July 7, 2006

stfu

the acronym for what you say to someone (shut the fuck up) who spells internet acronyms out loud in a real life conversation as opposed to saying the actual words

dude1: stfu (spells out stfu) I only kiss that other guy cause uh..it's my religion so wtf (spells out wtf) you talking about I'm not gay.

dude2: No you shut the fuck up you don't even know proper english and that was the dumbest bullshit I've heard since George Bush's last speech.

by Tony_Chen December 15, 2008

stfuing

verb; The stating of the word "STFU"
A word used commonly on the internet, when someone wishes to use the stfu statement in the verb sense.

"I'm bored with your constant stfuing, go eat a banana or something."

by Jay May 13, 2005

Stfu

Means "shut the fuck up!"
mostly use in fights between noobs

Noob 1: yo mamma so ugly her bestfriend thought she was a man!
Noob 2:stfu noob!

by Middi88 February 4, 2010

STFU

1. An abbreviation for Shut The Fuck Up.

2. An abbreviation for STupid FUcker

STFU n00b stop being gay.

by vipa!!! December 28, 2005