Group of heavy-set men with a taste for alcohol, music, and twinkies. Often travel in combinations with lopods and/or women with low standards. Despise preppies.
The bar was quiet until the fat boys arrived.
by The Humanatee January 24, 2010
A term used instead of 'fuck buddy' to help the conversation sound more innocent.
ellen: sally, will you be my fat boy?
sally: sure.
by berry :-) December 30, 2006
a spliff with only tobacco at the beginning, the rest being purely marijuana.
Hey Einstein, how's the fat boy comin?
by AdventrureCrew June 02, 2010
a rag or towel used to wipe sweat
Man that party is gonna be packed and hot, Im gonna bring a fat boy
by chapstick chad July 10, 2008
Someone who is not realy fat but acts fat by being lazy. If they are angry you can ask them if they are on a diet.
Person 1: hay whats up Fat Boy?
Fat Boy: Go away im pissed off.
Person 1: whats the matter did you start a diet?
by Vince V. May 31, 2007
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
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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