Top Definition
noun; a fat piece of shit that thinks he knows how to play percusion (usually from mexico)
hey dude, look. Not is that guy acting like a douche bag but he is also being a Phat boy
by kevo_jsr September 08, 2007
2 more definitions
4 Words related to Phatboy
Ugly, fat, and annoying
One who makes you want to strangle thurr neck 'til thurr head pops off
Not the typical home dawg
Chris S.
Thurrs a total Phatboy shaking the earth as he walks. :)
by raye88 January 06, 2004
A word used to offend a slimboy who's not fat at all.
"Oi gayboy"
"Shutup!.......Phatboy, lose some weight"
by Jimbo June 27, 2004

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