the member of the crew always looking for something to eat.

someone who is always hungry.
Fatboi where are you!?

You're such a fatboi!
by bender1010101 October 9, 2009
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A overly thin white boy that can easily eat 10x as much as anyone, and yet, not pack on a single pound. Moreover, he will continue to pull things out to eat after a meal has been served. (fatboy, fatboyish, fatboying, fatboyed)
"Holy shit, look at fatboy go, he just finished off that bag of Oreos, and now he's making four bags of instant Maple Brown Sugar Oatmeal!"

"Hope you got some food back at your place, I'm feeling fatboyish!"

"After I smoked last night, I fatboyed three cans of Pringles!"
by Andrew74 January 27, 2006
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boomer is also called fatboy
shut up fatboy!!! shut up fatboy!!
by Doovid January 5, 2008
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A large hamburger generally found in Winnipeg, Manitoba. It consists of a hamburger patty, chili, quartered dill pickle, onions, mustard and a lot of mayonnaise. Usually the burger is too tall to fit in your mouth so you eat it by squeezing or using a fork or both.
I ate a fatboy with chili fries and now I don'y have room for a shake.
by Andrew Edwards December 19, 2005
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Describing a boy that is over weight
Girl1: did you see jake 2 yesterday

Girl2: ya he is totally a fatboy
by Hashmaster October 25, 2012
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Cockney rhyming slang for Muslim

Derived from the name of the popular British DJ- Fatboy 'Slim'. The word 'slim' being taken from the second syllable of the word Muslim and coded to be spoken simply as 'Fatboy'
''we should probably take the next train because theres some dodgy looking Fatboys just got on to that carriage''

''theres no chance of getting a beer in this country, this place is run by Fatboys & its against their rules''
by Billy Warton April 13, 2010
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Fat boy is when a person that eat at kfc,pizza, and that eat everything but He still a big boy
That why you eat the whole house fatboy
by Nbayounboy January 8, 2019
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