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Acronym for "Fuck Their Shit Up", meaning, "Let's expose their lies". Now primarily used by the MRM (Men's Rights Movement) to bring about the reality of feminism to the world.

This is in response to the feminists' mantra "Shut The Fuck Up" (STFU, which is also a mainstream general purpose acronym), which they chant as soon as someone speaks up for the men's rights.
A: The feminist professor today said in the class that there's no sentencing disparity among the rapists based on their gender.

B: Look at this woman's case charged with 53 counts of rape and getting only 3 years with 8 year probation. Compare it to Jerry Sandusky's sentence who was charged with 48 counts. Make the masses aware. FTSU.
by dhanumis456 July 18, 2012

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"Fuck Their Shit Up". Made famous by 'A Voice For Men' website.

Most frequently applied as a response to feminist ideology and practices, but can be used in any context.
Example 1. Feminists want to limit the number of males gaining entry into university, we need to actively FTSU.

Example 2. The skinheads are trying to preach hatred of ethnic minorities, let's FTSU.

Example 3. There is a nest of termites trying to eat away my house, I need to FTSU, and quick!
by David Thomas March 11, 2012

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Fuck The Shut Up

Shut the fuck up!
Damnit you guys, just FTSU already!
by WADIE May 13, 2003

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Fuck This Shit Up
Guy1: Let's do this!

Guy2: Yeah! FTSU!
by STEVENOFAIDSLANDOFFIRE December 13, 2010

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1:to Fut the shuck up; used when not wanting to curse in front of parents or siblings. and also to make someone who doesnt know the meaning of it look stupid

2. used by lysdexixs to say shut the fuck up

loosader: HAHH! U R AN EFFING NOOB!
Coobalie: |)00d just FTSU
loosader: QUE?
Coobalie: HAH WHUS TEH EFFIN NUB NOWE
loosader: yeah.... um /cry
by Dragon5 August 30, 2007

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