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...
Author MST-ing: O.O I don't even know where to start on that one...
by Twitch February 12, 2004
Stands for MBI Standard Time, a time system used by the MIS Bureau of Investigation. The system sets 13:00 as 0, and adds or removes the appropriate amount of hours for whatever time is being converted to and from MST to other time formats.
by MBI Official April 30, 2021
Known among railroad nerds, this computer game was released in 2001 and officially called Microsoft Train Simulator. Now it is overused and still very slow on many computers.
Railroad nerd: Hey man, did you get the new update for MSTS?
Friend: No, I can't get it to run on my computer.
Friend: No, I can't get it to run on my computer.
by Traindriver June 06, 2009
by ChipNZ November 07, 2011
duPont Manual High School's Math Science Technology program. Pure evil. With Mr. and Mrs. Z and Sha-- Ms. Johnson.
by manualfreak March 20, 2008
MST: When staying at a hotel, immediately put all cosmetic products into a bag, then call housekeeping claiming to not have been issued the products in the first place, then repeat twice a day, until you have as many as possible.
by Quik Chris June 05, 2009
A tattoo on a female's lower back - an acronym representing "mid section tattoo" or alternatively "money shot target".
by desertdragon February 01, 2005