1) A replacement for the word bitch, this doesn't necessarily mean a "mach" is a bitch, a euphemism.

2) When used as a verb it also is used to replace, almost any word in context.
-Mach, Please.

-I was maching down the street.
Por trexer36 13 de junio de 2010
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.
Por rubyice 30 de agosto de 2005
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.
Por JoeJJ 17 de abril de 2006
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."
Por The G Master 20 de octubre de 2006
The act of performing sexual intercourse, with special g-force to boot - i.e. fucking hard and fast, deep and often continuously irrespective of number of times 'orgasm' is achieved.

(from Jay and Silent Bob Strike Back - Lol cunt)
"Fuck man, I was like maching this hot chick and she was all like tired, but we just kept maching cause we both knew it was something special ..."
Por El_Gilbarto 29 de abril de 2005

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