BIG boys with red hair and hurt knees- usually make fun of other people because all they can do is eat
by Carly Simms February 18, 2020

by CheezyPotatos September 23, 2017

A guy/girl with an excessively large ass with a bountiful amount of cellulite. He/she is usually emotionally unstable and can be quite annoying.
You: Look at Sophia! Her ass is hanging so low from all that cellulite.
Friend: And to top it off, she's super annoying too!
You: She's definitely a Cartman Fatass!
Friend: And to top it off, she's super annoying too!
You: She's definitely a Cartman Fatass!
by Psycho-kitty May 7, 2014

by G-NIGG January 12, 2009

The larger person in a group of friends that is automatically blamed for any food that goes missing.
Who took the last cupcake?! *everyone looks at the largest person* Largest Person says: "Oh, so now i'm the designated fatass?!"
by Monroe 108 October 21, 2014

by AYB May 11, 2003

by ThLatinProdigy May 7, 2008
