8
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.
by Traindriver June 06, 2009
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9
michigans sexiest teens, a special school were sexy kids go to learn math science and technology
pick up line: You look like u go to MST.
by sexy teenager December 08, 2007
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10
duPont Manual High School's Math Science Technology program. Pure evil. With Mr. and Mrs. Z and Sha-- Ms. Johnson.
DUDE did you have all of your MST classes today?
by manualfreak March 20, 2008
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11
Acronym for "Metric Shit Tonne"
John: "I've been away for a week, and had an MST of work to catch up on today!"
by ChipNZ November 06, 2011
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12
A tattoo on a female's lower back - an acronym representing "mid section tattoo" or alternatively "money shot target".
"Dude, check out the MST on that chick! I'd hit that all night!"
by desertdragon February 01, 2005
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13
Short for "Money Saving Tip". Coined by actor/comedian Dewayne Perkins.
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
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14
money spending therapy!!

the glorious moment when one can 'cut loose' from 'saving' and 'shop' some magic item. -like the day your dad took you to the bicycle shop to get that new red bicycle! (OR guitar store/guitar) -when money can be used for a 'fun' item or 'toy'!!
i've been eating this bird seed all week, tonight i'm going for some M.S.T. and getting me some sushi!!

i'm tired of using these cheap 'prophos' i'm going to walk on the wild side and M.S.T. me some FOUREX!!

i'm going to M.S.T. me some Chateau Rothschild tonight instead of this wild irish rose!!
by michael foolsley April 02, 2010
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