Stfu = Stop that flying unicorn!
Jack: You suck.
Jill: fu
Jack: No, really. You're horrible.
Jill: stfu!!!!!!
Jack: =O Where?!
Jill: ?
Jill: fu
Jack: No, really. You're horrible.
Jill: stfu!!!!!!
Jack: =O Where?!
Jill: ?
by checkerz August 21, 2008

Boy 1: Hey man what up how are you doing you wanna go play games......
Boy 2: Oh my god man STFU you are so annoying
Boy 2: Oh my god man STFU you are so annoying
by Gupyfordeath February 14, 2019

Stfu = Shut the fuck up.
Pretty simple right? Yeah, I thought so.
stfu is used when someone is being sarcastic or is annoyed with you.
Pretty simple right? Yeah, I thought so.
stfu is used when someone is being sarcastic or is annoyed with you.
by ikilled_cupid July 15, 2020

by Puthayslayer December 5, 2020

It stands for SHUT THE FUCK UP
by A Boy With A Fat Sister March 18, 2020
