the acronym of what you say to someone who spells this out in a real life conversation and other overused acronyms like wtf rather than saying the real thing
fag: 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.
me: No YOU shut the fuck up you don't even know proper english AND you kissed a guy, fag.
me: No YOU shut the fuck up you don't even know proper english AND you kissed a guy, fag.
by nub_sauce December 14, 2008

by Vorcee August 23, 2019

abbreviation for "shut the fuck up" used when your mad at someone, their annoying, or they're talking shit
by jdcblajdbaiduch January 18, 2015

by bellialodogot October 28, 2017

by misterchill March 16, 2004

(noun); shut the fuck up Used commonly in westlake village as StooFoo, which is created by Matt Cornelison
by jamiedance94 April 11, 2010

Bob: Look, stfu!
Steve: What's stfu?
Bob: It means seventeen thousand free unicorns.
Steve: Oh, okay.
Steve: What's stfu?
Bob: It means seventeen thousand free unicorns.
Steve: Oh, okay.
by therandomperson January 29, 2017
