fatassive 

Simple really, fat+ass+massive. Hence the word fatassive

"Wow, look at that fatassive chick!"

fatassive by Scott "fmg" L February 12, 2006

Fatassing 

To Procrastinate or eat excessivly

Stop fatassing and get back to work!

Fatassing by Lord Djem So January 13, 2008

fatassify 

1. To eat excessively over time to a point where one becomes overweight or obese; process in which one becomes a fatass.

2. To eat an excessive amount of unhealthy food at one given time.

1. "I totally fatassified myself by having donuts for each meal for the last 4 years."

2. "Dude, you're fatassifying yourself by eating all those pancake batter and maple syrup dipped sticks of butter."

fatassify by ubererror7 April 30, 2009

fatassish 

a word used to describe anything that promotes being lazy and out of shape whether that be with food or with action

Example 1:
Joe: Hey Carl, what did you have for lunch today?

Carl: Pork chops, Fried chicken, fried buiscuits and i had a deep fried tootsie roll for desert

Joe: Sounds like fatassish meal.

Example 2:
(at the gym)
Fitness Instructor: (Doing Crunches) 1, 2, 3, 4, 5,

Joe: Come on Carl we are almost done!

Carl: I cant do cruches. I'm too fatassish

fatassish by SelexaRuss April 6, 2009

fassive 

describing a person who is fucking massive

damn that bitch is fassive

fassive by sean bucher September 7, 2004

FATASIES

1. the act of thinking of an obese person in a sexual manner..

2. dirty filthy sexual fantasies of a really fat person

Chelsea was lying in bed alone having fatasies of softy....

Billy saw the girl of his fatasies while passing Lane bryant

FATASIES by softzirra January 6, 2011

Fatassing It Up

Term used to define eating a large quantity of food during one meal or at a fast food joint/restaurant/buffet. It may even be used for when you're at home! Originally excavated by the Straight Up Squad.

Kevin and Luis are Fatassing It Up at Jerry's by eating two large pizzas.

Fatassing It Up by Young Killa Koala July 28, 2011