A term used by Ground Support Equipment Marines, mostly by Lewis, used in multiple ways; MACH is Latin for march. the translation was lost thousands of years ago by the Latinians, but fortunatly Greek historians found the translation engraved on a Turkish bike made of stone. Yes there is quite a bit of history behind the word MACH indeed.

Pronounced: MAAAAACH!!!
1) The party at bro skillets house is MACH 15th.
2) Forward, MACH!!
3) Jealous MACH?
4) Are you going to start that fire by lighting that MACH? your definitely going to need more MACHES.
5) Yeah about that.. Im going to have you come in on Saturday... yeahhhh.. MOOCH MACH!!!
6) Skibby: Game set MACH!!
Jonney: AHH! f#k that re-MACH!!
7) thank you very MACH!!
8) Are you going to eat the rest of that turkey sandMACH?
9) I have to go put my clothes in the drier now..................... MAAAAACH!!!!!
by Juz10 March 6, 2008
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A maximum rate of speed, usually associated with skiing or biking -usually on the edge of control.
Yo Mango! did you catch Psycho and Jumbo maching straight down the gut of Lefty's Bowl?
by Broheimian Bradley March 10, 2008
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A mach is simply a knife. By implication, it's large.
A gat'll get you years. I carry a mach. I can blag it from the kitchen I work at.
by JoeJJ April 17, 2006
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69mach1...Nonsexually... but as in the year of the Mustang.
I am going to save up my money and buy that yellow 69mach1 for $3500.
by rubyice August 30, 2005
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Adj. (Mah-ch) To be full of machismo, to be macho, to be a tool. Is commonly used as a term to describe the actions of males who have very high testosterone levels and feel an obligation to demonstrate their manliness.
"You're acting really mach today."
by The G Master October 20, 2006
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Mach (noun) is a term one uses to describe a suspicious or illegal activity one is intending on doing.
Joe said “this dudes mach as fuck

Billy said “yo man this place is pretty mach”
by November 17, 2020
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A word for expressing offensiveness towards another person
by Coo his Man October 6, 2020
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