look up any word, like ratchet:
 
14.
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
 
36.
a fat person
Oh my gosh!!! my Brother is so fat!

What a fatty.
by gqbui jk,xcerfs July 20, 2009
 
37.
It's a fatso and very very ugly to the point where no guys would like it. It sucks at everything it does and calls itself smart even though it cheats off people.
It's a fatty
by fattymcfatfatty November 17, 2008
 
38.
A characterisctic...
Used to describe a person that freaks out about things of little or no importance.
Chicken little was a fatty...**omg, it's a leaf on my head, "THE SKY IS FALLING!!!!!!!!!!"**
by ..D................... October 24, 2008
 
39.
1. Does not mean that your fat as in over weight. It means if you see a person who is always talking about food or always want to eat. So someone says "your a fatty!" as a joke.
2. It could mean that a girl has a fat ass she thick in them jeans.
1. You: Man I want some pizza im hungry!
Bob: Your such a fatty!
2. Man that girl she got a fatty
by Prettyboiswaggz July 10, 2008
 
40.
a large amount of weed rolled into a slick looking blunt
"hey jim go grab the weed, im thinking a fatty is in order."
by myc2g April 04, 2008
 
41.
a name for a erect dick eg. gone from a flop to a fat one
ohhh that chick is so hot she gave me a fatty
by fat one November 02, 2007
 
42.
An abundance of a substance (normally used for smoking most commonly used is MARY JANE) rolled in a paper.
"Man i just rolled the most biggest fatty ever"

"The fatty was so big Snoop Dogg would have a hard time smokin' it"
by Oakland Raiders May 04, 2007