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A huge wad of money, usually 100's and 50's, carried around by ballers, drug dealers, or rich ass bastards
Mann, I jus made a huge deal, and check out my fat stack I got from it
by M Beezy March 04, 2006
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Jul 15 Word of the Day
The safeguarding of Earth and other worlds from biological cross-contamination (i.e. billionaires with too much time on their hands).

Also known as β€œplanetary protection.” Planetary protection / quarantine β€œreflects both the unknown nature of the space environment and the desire of the scientific community to preserve the pristine nature of celestial bodies until they can be studied in detail.”

There are two types of interplanetary contamination. Forward contamination is the transfer of viable organisms from Earth to another celestial body. Back contamination is the transfer of extraterrestrial organisms, if such exist, back to the Earth's biosphere.
Billionaires are having a dick swinging space race while the earth experiences record breaking heatwaves that cause sea creatures to literally cook inside their shells. We need planetary quarantine.
by monkeylabor July 14, 2021
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2
A Variation on stacks. Has to do with the handling of a lot of money. ie. X thousands of dollars
We went to Vegas and Jonny B. bet fat stacks.
by JakeThePimp September 28, 2004
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3
A large amount of something, usually weed or money.
#1 Hey man, i havent blazed up in ages, you got any weed?
#2 Yeh of course, i just got some fat stacks yesterday.

#1 Hey man your wallet's so fat!
#2 Yeh man, i got fat stacks of cash.
by nokturnal15 May 22, 2008
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4
in the military when someone has a lot off ribbons you say they have a fat stack
Damn, that fool has a fat stack of ribbons almost lookin' like Chesty Puller.

Get the fuck out my face boot! When you have a stack as fat as mine then come talk to me.
by 0351 March 20, 2011
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5
A unit of measurement, in which can be used to measure anything and can also be any quantity just as long as its "fat" in appearance.
Gimme a fat stack of paper!
by Darin Williams March 31, 2008
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