An expression often used on imageboards. It is often heard when a girl posts in a thread.

The proper response to any female poster

Lolwut, if your reading this, then TITS OR GTFO.

Expression standing for "Show your tits or get the fuck of".
Normally used to express that what a woman said or wrote had no intellectual value. Can be used anytime in an attempt to diminish a woman's self esteem independently of what she does.

Tits or Get The Fuck Off. A term used when trying to get a girl to flash you. Usually on Chat Roulette, Omegle, I-Chat, and Skype.

what desperate retarded fucks with nothing better to do say when they are on chatroulette or omegle. these guys are the kind that are never gonna get any in their lives so they resort to these kind of websites in desperate hopes of seeing what they would never get to see in real life. most of the girls who are actually stupid enough to show their tits are nothing more than attention whores.

Cry ofted used on imageboards when a 'noob' posts (usually an image post). It is an exclamation requesting an image of a pari of breasts be posted or the original poster should "GTFO" (get the fuck out). A derivation of the phrase: balls touching or gtfo is often heard when an image depicted gay men is posted on 4chan.org