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45.
1.(adj.) A person who eats food like it's going out of style (i.e. frequently and in large quantities).

2.(adj.) A person is needlessly overprotective of his/her food.

3.(adj.) A lazy person- an EXTREMELY lazy person.

4.(n) A derogatory term for a person that is overweight. (such a person would have a very fat ass - hence the term).

5.(n, adj.) Any person that expresses any combination of the four traits above.
1. Person 1: I'm hungry.
Person 2: But you just ate 4 T.V. dinners half an hour ago!
Person 1:Ionno, I'm still hungry.
Person 2: Man, you're such a fatass.

2. Girl: Can I have a french fry? *Takes Fry*
Guy: OMG! NO! *snatches fry and hides french fries*
Girl: Jesus. There's no reason to be such a fatass.

3. Billy was such a fatass that he felt the need to drive his car to the supermarket down the block.

4.(on the subway)

Anorexic 1: Oh my god, look at that fatass over there! He's taking up two fucking seats!
Anorexic 2: If I was that fat, I would just kill myself right then and there.
Fatass: Look at those two waifs sharing the seat over there. Eat a sandwich, skinny.

5. -
by dont i know June 18, 2009
 
1.
Someone with more chins than a Chinese phone book
Bruce is such a fatass.
by Dollyrocker January 22, 2008
 
2.
As in a Fat Person and/or an extremely large buttocks. Can also be used in an insult, calling someone "fat" may not always work, so adding "Fatass" My help to boost your insult to astronomical heights
"Taylor has a Fat Ass"
or
"Taylor is a Fat Ass"
by Shane December 14, 2003
 
3.
someone of fat nature with multiple chins and scrumptious love handles.
greg, your such a fatass...
by Eric Millman July 18, 2005
 
4.
A fat person who cant move or stand up ...... well only when they are licking the cheeto cheese off their fingers
that fat ass is so fat i bet it takes him 35 mins to find MR. happy
by mickster 555 September 12, 2006
 
5.
A fatass is someone with overlapping lovehandles, multiple chins apon chins, and man tits that are triangle shaped due to gravity. They never want to get up, unless food is offered, and there fat giggles when they breath, walk, and talk.
Eric ur chins are giggling and your not even moving, ur such a fatass.
by Greg Fat Man February 11, 2006
 
6.
a person that sits on the couch all day and watches shows like Ricki, Maury, and Jerry, and eats bon bons
you're a fat ass
by fatty January 14, 2003
 
7.
A fat bitch. So fat they cant even see their penis anymore. Someone who the opposite sex is ASHAMED to be seen with. A large corpulent person with sausage fingers and a fat mush face.
Mike: Did you see that vitale kid?

Art: Yea, he sure is a fat ass. Girls must laugh at that sucker.
by fdhitelbacher February 29, 2008