Short for 'Shut the Fuck Up and Get the fuck out'. Efficient way of telling someone they are not wanted.
Post 1 (n00b): OMG <Insert something> IS CHEAP AND OVERPOWERED AND WHOEVER USES IT R GAY BECAUSE THEY ALWAYS BEAT ME WITH IT *whine whine whine whine*

Post 2: OMG, please STFU & GTFO.
by Zlixar June 9, 2004
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Expression used when girls posting online try to gain more attention by stating the fact that they are girls even if it has no relevance to the matter at hand.

Tits or GTFO is used in a way to say; If you are going to use your gender to gain further attention on a board or comment section of a predominantly male user base, you are basically saying "I have tits, give me more attention". Therefore you might as well go all out and show your fucking tits or get the fuck out.
Girl: Hey guys, female poster here. How do you like this video/game/whatever?
Unfazed commenter: Tits or GTFO
by Krello November 21, 2015
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An expression often used on imageboards. It is often heard when a girl posts in a thread.
by jiggsmaster3000 May 14, 2007
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A phrase used when someone refuses to watch a movie in anything other than 1080p Full HD (Blu-Ray) quality.
Johnny: Hey man, I just downloaded Avatar, wanna come over and watch it with me?

Jimmy: What quality are we talking?

Johnny: Just a 700mb AVI bro. 640x352

Jimmy: 1080p or GTFO
by Jimmy Man January 2, 2011
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an abbreviation for "get the fuck out" The noob is a little bonus. It is used when you are tired of hearing somebody's shit or are surprised by something.

yani - You are stupid
Jorge - Shut up!
yani - no way
Jorge - GTFO Noob!!
by Dan T...AKA..Crazy Fresh August 21, 2006
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Short for, "tits or get the fuck out", often expressed towards an annoying person who has attempted to garner some form of undeserved attention.

The recipient almost never shows their tits, nor is even expected to. As a result, the recipient almost always retreats without further discussion.
Person 1 - Heyy guysss, I know I'm new here but I thought everyone might like to listen to my life story!!!

Person 2 - Tits or gtfo

Person 3- Tits or gtfo

Person 1- ...
by 🐺 November 22, 2018
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