A nick name for "Facebook" derived from users reconnecting with each other after years of no communication and seeing that each other has gained substantial weight.
"One of my high school ex gfs found me on fatbook last night. Man... she's twice the woman she used to be!"
In an attempt to fatbotage Stephanie, every day at work Marcy left a freshly baked pie on Stephanie's desk, even though she knew Stephanie was on Atkins or some shit like that.
A blunt so massive that it could be substituted for the long cylindrical tubes on a pontoon boat and still achieve the desired amount of flotation.
Dude those blunts were so fat that we could have strapped some plywood to those bad boys and taken them out on the lake. They were some fatoons for sure.
A member of the military who is clearly too fat for effective performance. Originating from Stanley Kubric's "Full Metal Jacket".
"Are you allowed to eat jelly doughnuts, Private Pyle?"
"Sir, no sir!"
"And why not, Private Pyle?"
"Sir, because I'm too heavy, sir!"
"Because you are a disgusting fatbody, Private Pyle!"
A disgustingly fat person who (usually while eating a salad) makes a comment about the unhealthiness of something you are eating.
I was trying to enjoy my hamburger but Lena kept talking about all the fat and carbs it contained while shoveling pile after pile of salad in her mouth. That bitch has a lot of nerve- she weighs 425. She's such a fatocrite.