Fatso 

A nicer southern version of fat.

He's a fatso.

Fatso by jay1994 June 16, 2017

Fatso 

The greatest complement a person can receive usually meaning a person that is extremely humorous and sexy

hey fatso do you work tonight i cant wait to see your face

Fatso by smellyjap April 8, 2010

FATSO 

a fatso rating - an acronym for
Face
Ass
Tits
Sex appeal
Overall

use it to rate hot girls that you see on the street, on the bus etc. out of 5 for each, max 20

whoa see that brunette over there - her fatso must be at least 18

FATSO by not illiterate April 20, 2005

fatso 

another definition for a fatso in modern society, is someone who used to be fat but lost alot of their weight with some traces still behind
OR
a person who eats alot and does NOT gain as much weight as other people

for instance if you can eat a 8x8 at in n out and still feel like you can eat more, chances are you are a fatso

fatso by foodlovers nationwide April 11, 2007

Fatso 

Meaning "stupid" or "dumb" but in a funny way. Does not mean "fat" at all.

Friend: I broke your Playstation 4! Hahahaha

Me: *screams* YOU FATSO!!!!!!! YOU BETTER BE LYING!!!!

Fatso by GOOGOOGAGA January 26, 2016

Fatso 

Ur mom

ur a fatso

Fatso by YeetManYoutube February 12, 2020

fatso 

to call your fat friend-
means fat but in a non-offensive way
good to call friend when there being a douche bag

*playing fortnite*

"get shit on fatso"

fatso by mykool joordinn August 16, 2025