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(vulgar, slang, derogatory) A round, overweight, or obese person.
Kevin is a fatass
Fatass by SmollAlex February 14, 2024
How you eat food, not by how much food you eat.
Look at how Dallas is eating his burger with his fries and chips in it.”

“Yeah that’s some real Fatass activities.”
Fatass by PurpleRhino456 December 15, 2025

Fatass Jonny 

"Fatass Jonny" is a term created on December of 27th, in 2020. First ever footage of such term used was documented in the video titled, "Fat ass Johnny (CSGO Moment)" uploaded by the channel, "Mrbailey channel". The term is frequently used in the CS:GO community. It is used to call someone who spent, or currently spends, money on the CS:GO game starting from when the game became free in 2018.

Clarifications;
An individual cannot be called a "Fatass Jonny" if they sold something on the Steam market and later on bought something in CS:GO.
An individual can be called a "Fatass Jonny" if they took money out of their wallet to buy something in CS:GO.
An individual cannot be called a "Fatass Jonny" if they took money out of their wallet to buy a Steam gift card and then purchase something in CS:GO.
An individual can be called a "Fatass Jonny" if they bought an item in CS:GO that was planned to make profit from, but failed to do so.
Danny spent $20 on a CS:GO skin out of his own wallet, he has now become a Fatass Jonny.

Lev is not a Fatass Jonny because he sold his skin for $20 when originally he bought it for $15, and therefore made profit.
Fatass Jonny by exxarushii February 8, 2022

fatass american 

an american who is not necessarily obese, but will binge out on a shitload of food, usually at large events or gatherings.
Person 1: "Woah, that International Dinner was so great! I ate so much food that I almost threw up!"

Person 2: "Fatass American!"

Fatass Retard 

A controller player who sits on his fucking ass all day playing Unturned and spends a month on unturned in 2 weeks WHAT THE FUCK!?!?
Me: You are such a Fatass Retard! Savage: WHO?
Fatass Retard by MysticHZ March 31, 2019

fatass scarlet 

when someone is overweight, at least 300 pounds you would say they are a fatass scarlet, meaning they are obese
Craig: omg look at emily

Kevin: she’s so fat lol
Craig: yeah, she’s a fatass scarlet for sure