fatty 

a fat person

Oh my gosh!!! my Brother is so fat!

What a fatty.

fatty by gqbui jk,xcerfs July 20, 2009

Fatty 

an annoyingly annoying person who you fake dislike. (you love them but they're being a fatty.)

Hey, fatty, what's up?

Fatty by fattymcfats April 9, 2017

Fatty 

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

Fatty by fattymcfatfatty March 31, 2009

Fatty 

Someone who poos a lot and eats a lot... Is quite violent to certain people but other than that quite nice

YOUR SUCH A FATTY!

Fatty by Sumo14 November 30, 2016

Fatty 

Someone who poos a lot and eats a lot... Is quite violent to certain people but other than that quite nice

YOUR SUCH A FATTY!

Fatty by Sumo14 November 30, 2016

Fatty 

You, motherfucker. You are a Fatty.

Holy shit Fatty get online

Fatty by Whackyfuzzball December 1, 2016

Fatty 

Another name for a butt. Typically large in size.

Show me your fatty

Fatty by Fatty... June 23, 2017