Mental Typing Syndrome, When someone repeatedly makes spelling errors while on Instant Messenger on accident.
Gerardo:Confised,

Gerardo:I meant confused whats with me today?
Jasmine:MTS, Mental Typing Syndrome.
Gerardo:Ohh, Fuck No!
by pimpshit. June 24, 2010
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MTS also known as menaces to society, a street gang from the east side of Adelaide , in South Australia. Approx 10 members. criminal activities such as grand larceny, bootlegging, money laundering and territorial turf wars. they are locally know for cursing around the east side in white pimped out vans and wagons.

They operate out of the urban area St Morris and are a good example of modern crime and gang life in Australia.

In MTS's later years the crew began several legal ventures such as underground music production in collaboration with D.S D.C.
What side of town do you live on.

The east side.

Your a menaces (MTS) then.
by bfl1997 September 24, 2014
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Masturbate, Turkey Sandwich, Sleep. The act of jacking-off just before bed, eating a turkey sandwich and then going to sleep.
Dude 1: "Man I'm so horny but I'm kinda hungry and tired"
Dude 2: "You should MTS"
Dude 1: "Why didn't I think of that? I love turkey!"
by Stuart3333 September 19, 2010
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An R&B/Indie singer. She can either be sweet or evil. She’s so nice and loves all her fans.
Woah did you hear MT on her new album Lost and Confused
by Blissfultrack32 June 25, 2018
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Monied Trash: The segment of the wealthy population that lacks education, social grace, and a basic understanding of values in their society. MT does not discriminate by race, sex, or creed. . . as long as a person drives a Ferrari but can't spell it, chances are, they're MT.
Have I seen "Real Housewives of Vancouver"? Does it look like I'm MT? I'm embarrassed to say I even know that show exists.

Lisa's new condo was pure MT: lots of glass, granite and glossy magazines. . . which were undoubtedly purchased just for the pictures. Like all MT homes, any evidence of actual reading ever taking place is conspicuously absent.
by M-squire June 21, 2012
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Acronym standing for "Make Them Suffer".

A hardcore crew primarily based out of Jacksonville, Florida, but with branches around the east coast. As of today, MTS is broken up due to run-ins with the law, and violent fueds with other major hardcore crews.

Do not fight with an ex-member of MTS, they still have street credit with a rough crowd.
The hardcore scene in Jacksonville as well as everything else is ran by these dudes I saw at a show last night- MTS.
by platypuss June 24, 2006
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Daddy ,loyal, good friend, smart, loves to eat, and single so get at him lady's.
MT is single
by Mthiengkt October 26, 2018
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