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Mystery Science Theater. When people sit in front of the screen to any movie, the cheesier and more B-grade the better, and make snarky comments.

This can also be done with fanfic by inserting text every so often to point out gross errors in characterization or whatever.
Beavis and Butthead MSTed lots of music videos from their couch.

The Protectors of the Plot Continum MSTed several fics where bad authors had wreaked havoc on canon.
by Oinge April 19, 2005
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Jul 24 Word of the Day
It’s an acronym standing for Can’t Remember A Fucking Thing. It’s usually used to describe embarrassment at being unable to remember someone (CRAFT moment); going onstage as the lead in the latest theatrical performance and your mind goes completely blank (CRAFT situation); the next morning after a night when you got pissed as a fart and woke up in bed cuddling a traffic cone and a string of fairy lights wound round your prick.
β€œWhere did you go after we left the pub?”
β€œDunno, CRAFT.”
by AKACroatalin November 07, 2015
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based off of Mystery Science Theater, MST is a genre of fanfiction wherein the authors of the MST take a piece from another author and taunt it mercilessly
> Jill raised a foot to enter the
> chopper, but was pushed back by the
> soldier.

ARL <soldier>: No shoes, no shirt, no service.
by Jon Madden July 16, 2005
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Mississippi State Titty Shake. This is the dance done when MSU beats UF. It involves jumping up and down while chanting "Mississippi State....Mississippi State."
Hey Clunt, did you just see your cousin doing the MSTS?
by Cleed October 12, 2007
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The military is too afraid of dealing with MST charges that they are kicking out all the women that report being raped.
by TAN22 April 17, 2009
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Honestly, I'd rather sit through a John Agar film festival than another Gonterman story.
by Xyzzy February 21, 2004
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Short for "Mary Sue Torture" Usually used in fanfiction. A form of mockery in which an author takes another author's piece, and breaks it up. They generally mock each and every line, pointing out any and all typos and/or grammatical errors along the way.
Work being MST'd: And he carryed her back to merkenwood,
Author MST-ing: O.O I don't even know where to start on that one...
by Twitch February 11, 2004
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