A person who is large due to an obsessive eating of McDonalds and 100% pure lard
Person1: Let's go to McDonalds
Person2: Cool, let's get FAT
Person3: Hell no, I don't want to be fat

*Person1 dies of a heart attack at 29 years of age*
*Person2 dies of liver damage at the age of 37*
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*Person3 dies of old age at the age of 107*
by R April 16, 2006
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The state of being an American
OMFG Americans are SO fat!
by vinners January 21, 2007
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In skater/punk/ghetto context:

Mostly means Big, impressive, and for the most part it is the opposite of the skater slang: cute
"Man that's a fat gap!"
by SomeSk8rGuy October 25, 2004
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new definition of FART as of 11:40 p.m. on April 9, 2009.
jon salamak fatted and chris smelled it.
by lilflowerr. April 10, 2009
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A woman weighing over 100 pounds in Hollywood.
Dude # 1: That chick is FATT...

Dude # 2: Did you just come from Hollywood or something?
by HM17 January 25, 2010
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(verb) to gluttonously consume fattening or otherwise disgusting food.
Stop fatting that McDonalds crap already!
by Christopher T. Douglas September 20, 2008
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a descriptive word for someone who loves food too much!!!
One fat Kirsty......
by kimmy1987 May 11, 2010
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