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 ..."
by El_Gilbarto April 30, 2005
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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.
by trexer36 June 14, 2010
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A term used to describe an objects insanely high rate of speed.
joe: why were you late for work today mike?

mike: cause the douche-bag who drives the bus insists that he blow by my stop at Mach Jesus so he doesnt have to pick anyone up, so i missed it.
by Sadistic11B January 15, 2009
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Something traveling above a "reasonable speed"
My and my buddy went on a beer run last night driving at Mach Jesus in his 2nd gen dodge
by SomeRedneck69 June 10, 2021
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An undefined velocity of an object in motion usually applying to something moving very quickly. Most often used when person using word is in an excited state of storytelling.
He was driving his truck at “mach chicken” when he hit the meridian and launched his truck over the ditch.
by Konsch July 11, 2008
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as fast as one could possibly ever even imagining going.
i took that turn at mach fuck.
by Birrick September 9, 2008
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When you get tissue paper stuck on your cock after you wank trying to cleanup the smegma.
Last night after offloading I had the worst case of penile mache I have ever had, Fucking shit is sooo hard to get off.
by Hazardous Harry February 23, 2018
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