This definition is specifically related to the decks and presentations used in corporate, government and other sectors.

FAT is an acronym for:
Flowful(F)
Aesthetic(A)
Thorough(T)

According to the FAT Theory : A good deck should have these 3 elements. For eg: The various individual slides should be in a flow communicating a bigger picture. The deck should be aesthetic, more visual than textual. And most importantly, the data in the slides should be thorough!
Hey Dave, I want that deck based on FAT Theory
This is such a FAT Presentation/Deck
That was FATistic
by 27weeks March 3, 2021
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The total amount of fat in the world stays constant over time. Fat can never be created or destroyed, only gained or lost. When one person gains weight, another loses it, and vice versa.
Julia seems to be shedding off the pounds whereas Lois is now sporting some thunder thighs- it must be because of the Conservation of Fat Theory.
by siosays July 19, 2011
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The theory that any individual can only absorb a certain amount a fat within a given time span. Therefore, once a person has reached their 'fat max' they will be able to continue gorging themselves without any further detrimental consequence.
After eating a full order of mozzarella sticks, potato skins, and spinach dip at TGI Friday's, Sara, an avid supporter of the fat max theory, realized that she had most likely reached her fat max for the night and therefore felt completely guilt-free when she ordered the cheesecake.
by Bubblegoose09 April 14, 2011
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45 mins= 1.5 hour. This is a historical theory. It's is as important as Ng's theory. It's said by Fat Tam, a crazy teacher in LSC. She said this theory while scolding people
A: I trust Fat Tam's theory.
B: Don't be 8745
by DAPRONOOB October 25, 2020
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the theory that states all hot chicks have a fat friend. also see wingman
the fat friend theory is almost always true.
by jmobley October 5, 2006
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When all a guy does is go out with fat small girls. Its like he has no standards and thinks that small fat girls are attractive...
Guy1: hey im goin out with sara
Guy2: dude shes fat and shes tiny
Guy1: .....
Guy2: didnt you go out with jane a while ago...??
Guy1: yeah why
Guy2: go look up the fat midget theory dude...
by bellend_to_the_end September 30, 2010
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