FATASS 

1. an ass that is fat
2. One who is fat in general
3. An insult shouted among annorexic girls when one of them breaks the 80 pound mark.

"Cartman, you fatass"
"EWWW!! You are, like, over, like, 81 pounds, you fatass!"

FATASS by Fatass July 20, 2003

fatass 

someone with an abnormally large ass.

jaysus, look at that fatass

fatass by bread infection December 28, 2005

Fatass 

A person who eats sooo f much and all he does is talk about food

U fucking fatass

Fatass by Fucker😂 June 8, 2017

Fatass 

Someone who eats a lot.

Eats ether all the time or most of the time for the day.

Mark: im hungry

(goes to a restaurant )

(10 minutes later)

Mark: im hungry, I want more food

Betty: Mark, we just ate
(mark orders more food)

(20 minutes later)

Mark: dude im so hungry!!

Betty: MARK, YOURE SUCH A FATASS, WHY DO U GET HUNGRY EVERY 5 MINUTES JHEEZ!!!!!!.

Fatass by BOBBY DONG1998 March 14, 2019

fatass 

A person who refuses to go to school so he can play roblox all day. Their most common names are Noah and Joe.

Joe is such a fatass, he's been playing adopt me all day!

fatass by nsbro March 29, 2022

Fatass 

Someone or Something with a fatass Not Thick

A Fatass Person Who Acts like GANG memver
Girl with a Fat ass
Damn Talia lose some wait you Fat Bitch
#bitch #dumb

Fatass by Cockblock456 June 1, 2019

Fatass 

Not anyone who is obese,but someone who eats no matter what and wants food 24/7.

George:Damn Sebastian ordered 3 big-macs in a row.
Micheal:Yea,hes such a fatass

Fatass by Peewee hermanizer August 4, 2014