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50.
F.A.T stands for Fucking Ass Tard. It can be used as a great comeback. You just call someone FAT and they shut up. It is great, especially when they do not know what it means.
Joe "you are an ass wipe"

Bob " Well you're F.A.T!!!!
by Tig2 March 04, 2008
 
51.
fat
something every girl thinks she is.
OMG LOUISE YOU ARE SO THIN!
WTH, NO IM NOT, I AM SOOOOO FAT, EW LOOK AT MY LEGS!

i like that dress on you doris.
no i look like a hippo.
by chicaxcherryxcola December 17, 2007
 
52.
fat
(adj.) A word stuck-up people use to get attention or to insult someone they hate. A terrible, overused comeback.

In the media's eyes, someone whose bones don't show.
Person 1: "Look at me! I'm soooooo fat!"
Person 2: "No you're not."

"I don't know why he's with her. She's fat."
by chelsbeeler August 17, 2014
 
53.
Fat
A term used to lower the self-esteem of a person. Normally used by a bully or a jealous person.
"I am threatened by her/him because s/he is obviously nicer and more pretty than me, so i am going to call her fat" -Jealous Person.
by realistic_chic123 May 17, 2014
 
54.
fat
the new definition of (being,acting, or any possible way of being except for the physical state Fat.

F.A.T (FAT ASS TROLL!!) : universal word to describe any behavior in wich you'd like. usually negative. being fat is trying to get a rise out of someone. Forcing them to respond to you, either through wise-crackery, posting incorrect information, asking blatantly stupid questions, or other foolishness. However, fat statements are never true or are ever meant to be construed as such. Nearly all fat statements are meant to be inappropriate to everyone.

This is when people say stuff that they know will prompt someone to respond with a fat reply and/or replying to comments that are blatantly from a fat ass troll. This is especially true when a fat fuck first makes his comment/reply, and (usually many) people respond, either trying to correct the troll, express anger at the statement.

If you ever experience behavior as such.. you should say to the person (with this face ---> -_- )in a very distrubed tone " ur fat" or "ur fucking fat" or even "woww ur fuckin fat" this can be categorized as morbid humor xD
ex 1 guy1 hey dude wat u doin

guy2 nothin just playing tererria

guy1 ur fucking fat -_-

ex2 guy1 dude text me

guy2 cant im in church

guy1 wow ur fucking fat u dont evengo to church -_-
by im just a guy.. u can call me January 10, 2012
 
55.
Fat
Fat /fat/ adjective, fat·ter, fat·test.
Disgustingly disappointing; not able to perform or behave in an acceptable manner.
Ex1: Dude, you're being fat right now by not coming to the show with us.
Ex2: Dude I was so disappointed with that performance; It was pretty fat.
by SpiderBat :D August 18, 2011
 
56.
fat
Are cells the body uses to store energy.

or

An adjective used to describe some one who is either above recommended weight in fat or over misunderstood Idea of weight in fat which is usually one number set for all people regardless of hight ,sex, level of fitness, and sometimes age. the adjective form of fat is also confused with other words like unhealthy, lazy, and ugly.
In a negative use: Get away from me and take your ugly fat with you.

In a neutral use: I fell that you being fat may not be good for your health

In a positive use: Your fat, but you make it look good.
by The shinny shadow March 25, 2011