Has multi definitions
1) -military- Mobile Army Surgical Hospital. Also TV show of same name.

2) -drugs- To smoke yourself into a state of near unconciousness

3) -UK Slang- Mashed potato's

4) -Urban street slang- To destroy, mangle, wreck.
1) He served in a mash unit in Korea

2) Tonight I'm gonna get mashed

3) 'Give us a bash at the bangers and mash like me mother used to make' (old music hall song)

4) He dissed me so I mash him up bad.
by black flag June 20, 2004
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Rapidly press a button on a keyboard or game controller
Mash the F2 button when you start to pull up BIOS
by Theycallmefaggot March 30, 2020
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mash is a 70's comedy about surgeons and army personal serving in the korean war.
it shows how they cope and deal with the hardship and tradgey of war.
mash is the best historical comedy and also radar is pretty cute!!!!!!!!
by radar fan February 7, 2004
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also known in accent as marsh. meaning to have sex
blud are u guna mash her?
by rude_gyal2006 January 11, 2006
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To hit on someone or fool around with them. Synonomous with mack
He was mashing on that chick so bad.

We WILL mash
by JKix May 17, 2005
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Inebriated by any form of drug that inhibits a 'normal' type of human perception.
I don't think I'll drive tonight, I'm too mashed.
by Julian Farrelly November 13, 2006
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