fatkid 

the craziest ghetto trash white boy to ever live in the Park Lane Projects. President and founder of Fatkids Inc.
F.K.I. you know me so dont hate me

you better watch ya mouth, cause fatkid will fuck ya up

fatkid by project fatkid May 9, 2005

fatkini

A bikini that is for plus-sized women.

"That girl with the nice body has a nice fatkini!"

"Hey, do you sell fatkinis?"
"What?"
"Do you sell fatkinis? Bikinis for plus-szied women?"
"This is Abercrombie & Fitch, girl, of course we don't."

fatkini by Chris's_Zen May 24, 2013

out like a fat kid playing dodgeball 

expression used to emphatically denounce your presence at a social excursion, as if your leaving said event is an obvious given or statement of fact

Your party blows, I'm out like a fat kid playing dodgeball

out like a fat kid playing dodgeball by d'godfather April 20, 2003

Former fat kid syndrome

When someone who was previously a fat/unattractive child loses weight or "glows up" and overcompensates for their past insecurities by acting out. Usually they end up acting like the same people who bullied them growing up.

Friend 1: Emily lost weight and now acts like she's better than everyone.
Friend 2: classic Former fat kid syndrome.

Former fat kid syndrome by 1234456hjk July 22, 2020

fat kid jude 

he is like a marshmallow, he has a marshmallow shaped head and hes fat like one too

that guy is such a fat kid jude

fat kid jude by Whore-man September 11, 2016

like a fat kid on a donut 

1. to be totally in control of a sitution.

1. Can you handle dealing with this idiot, I'm on it "like a fat kid on a donut!"

like a fat kid on a donut by dantmann March 5, 2009

Fat Kid Mentality

a person who used to be a fat kid (a former fat kid) and is now skinny and fit and even good looking, but they still feel like a fat kid inside and will always think like a fat kid.

Girl 1: I don't understand why he left his shirt on while we were having sex.

Girl 2: It is because of fat kid mentality.

Fat Kid Mentality by Girly115 April 6, 2010