Fatsac 

Its a sac of fat that is someplace on your body you don't want it

you're a fatsac

Fatsac by The gr 6 class of holy name October 15, 2011

FatraCo0n 

A badass tik tokker who speaks about injustices and looks bomb while doing it. She is a queen and uses her platform to talk and teach about things like acab, black lives matter, etc.

Grandma Gertrude: I don’t get the point of these looters.
Jade: SPORT, you should watch some of fatraco0n’s videos.

FatraCo0n by Justanothercarebear June 10, 2020

Fatpack

Old timey New York slang for a wallet

As Nicky left the bathroom, he reached for his fatpack as he approached the store counter

Fatpack by Coolpunch September 10, 2009

fartsack 

Sleeping bag (esp. a heavily-insulated military-issue bag)

fartsack by Alo Konsen September 15, 2003

Fansacking 

The act of using a fan to gently air the male genitals.

I went for a long run but I got so hot I had to come home, lay in bad, and fansack.

I caught my boyfriend fansacking last night.

Fansacking by Tanny and Lazlo November 19, 2010

fatjacked 

A person who is both muscular and fat.

Woah, Tom needs to lay off the bacon - he's starting to look fatjacked!

fatjacked by SuzanneG January 17, 2008

fatback chopper 

Cleaving the buttocks in twain. Similar to a danza slap right along the buttcrack.

The bitch didn't like it in the ass so I had to teach her what's what with a Fatback Chopper.

fatback chopper by BUNNe's Sister, BUNNe, and an honorable mention to Wotan July 28, 2008