Someone who is not fat, but eats a ton. They should be morbidly obese because of how much food they eat, but are somehow miraculously skinny.
Kojo eats a box of donuts after every meal. How is he not obese?! What a fatty.
by Kornelius Jonesworth February 18, 2013
an insult, used to insult the fact that you have a big ass or take up alot of room
word of advice if you are a fatty, sell shade, you make lots oo money if its hot out.
out of my way fatty

how about you roll over a choke to death fatty
by thebassmachine July 07, 2004
a lot, much, very big.
I hit her and now she has a fatty bruise.
by Me September 16, 2003
a fat sack o' weed that is at least 2 in. thick (also look upblunt)
Yo there is this nigga who had a fatty the size of his fingers combined
by Kottonman April 11, 2003
A friendly way to get the attention of a friend. In case you have to call you friend over that is what you would use.
Hey Fatty! Get over here!
by Jennuhfuh January 03, 2006
awesome and cool while being extraordinarily different. big and sweet
I gotta take a fatty shit!
That's a fatty wave.... SWEET!
by Miles Bolkin September 03, 2004
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