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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
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3
To be huge or bigger than anything in this world. Enormous beyond all extent.
gigantichugekong
1) She got hit by a Fat-Ass truck!
2) That byotch left a Fat-Ass mark on his face.
by LEE The Dope Form November 17, 2008
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4
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
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5
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
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6
a FAT ASS is a voluptuous female butt that brings many men (mainly black guys) pleasure to the eye. It is often very round and large in size.
by booty master2395748 March 17, 2014
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