Short term/acronym for Shit-That-Flies-Up.
by Quandel Dingle May 3, 2022

when someone is trying to explain smth to you but you don't understand, so they give up cuz they are done with you
person: hey do you wanna go to that concert?
person1: concert? whos? when ?
person: taylor swift. tomorrow.
person1: oh but I have a project due tmrw and I think I can adjust but--(bla blah blah)
person: nm, I should have stfu
person1: concert? whos? when ?
person: taylor swift. tomorrow.
person1: oh but I have a project due tmrw and I think I can adjust but--(bla blah blah)
person: nm, I should have stfu
by myeongli December 5, 2021

STFU, (shut the fuck up), is a word commonly used in texting and online chatting systems. It is to tell a person to be quiet and don't talk because your tired of them.
Although Kevin is usually funny, he made a very bad and offensive joke, and his friends told him to STFU.
by jacktheripperishere677 February 16, 2022

by blank blank March 29, 2015

by DavidPanda December 18, 2023

by zariaxlover March 7, 2020
