Top Definition
A combination of "Fat" and "Attitude"; the loud, boisterous, obnoxious arrogance often displayed by large and/or obese women. This is very common; many large women often try to overshadow their physical enormity with a similarly large and over-exaggerated large-and-in-charge attitude.
"Dude, that blubbery fat chick needs to shut up already. She's got a major case of fattitude."
by Rob B. December 14, 2004

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An attitude to life which leads inevitably to morbid obesity.

A combination of severe laziness, arrogance and mental retardation which means the root cause of ones obesity will never be fully addressed or rectified.
Quote: "I can't eat fish unless it's battered and fried" "That's because you've got fattitude"

Weighing 300lbs and having the fattitude to telephone your non-obese partner to provide a beer delivery service direct to your sofa/bed, rather than get off your fat arse and risk burning calories.

Destroying several sofas by the sheer mass of ones arse and then blaming the manufacturer, rather than your own fattitude.
by Uberstench February 22, 2011

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fat chick(s) with an attitude.
Yeah, hyper's whole group suffers from fattitude.
by Dekkon October 24, 2003

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Someone who has a bad attitude mostly because they are overweight.
Hilda has a nasty fattitude befacause her ass is way too big.
by booboo 1971 August 01, 2009

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A fat chick throwing a lot of attitude, which makes you wonder why the hell are you at the receiving end, that too from a FAT chick.
Man, I'm having to put up with a lot of FATtitude these days.
by mayur June 06, 2006

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A fat overweight person who loves themselves but is grossly overweight with attitude but dosent have the right to be so.
Someone who likes to be over confident but really isn't and has fattitude
by MUCKSPREADER1 May 02, 2014

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A growing movement among women particularly, in which the angry, overweight/obese woman openly and obnoxiously displays arrogance and pride in her fatness to compensate for her lack of self-discipline and internal disdain of her obesity.
Karen asked her personal trainer neighbor Jenny for advice on how to start a weight loss plan. Hefty Tracy overheard Jenny giving Karen advice and angrily stomped toward the pair to exclaim "Not everyone wants to be thin, bitch! I love my obesity and you couldn't pay me one million dollars to change it! Thin is not realistic, or attractive so why don't you take your anorexic advice and stuff a brownie in it you piece of shit!" Tracy had major fattitude.
by ShimmyShimmyCocoLoco May 18, 2015

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