look up any word, like ebola-head:
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
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
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 blunt
Light a fatty fo' dis pimp daddy.
by Anonymous November 21, 2001
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
a really fat dude, ppl that you don't like, someone you want to fight.
What FATTY?!? Wanna box?
by leslie March 03, 2005