1. A person who is really fat and annoying.
2. Connor, in trinity high school
"Connor is a fatass"
"Which Connor"
"The one sit next to me in music"
"Oh"
by asharshwehwhwhars September 1, 2008
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some with an over-abundance of ass.
by Bob December 10, 2003
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A fat person that is a waste of human flesh, and couldn't even have the decency to be a waste of a small amount of human flesh.
Godamnit not fatass again!
by alfa May 13, 2004
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One whose bloated sacs of cellulose have swelled to the point where the pressure ruptures their spinal cord and travels to their brain, infecting their ability to reason and speak proficiently.
by beadhead November 24, 2003
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adj. two friends who love to eat and talk all day long! morning til night :
Michi and Mai are such fatassities! yayuhhh!
by abg April 29, 2005
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sir mix alot definition of the word fatass: "Baby Got Back"
by tapthatass September 8, 2005
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Lucas Daley: The biggest biggen of them all who can't take the hint of when to fuck off because his stomach gets in the way of his common sense and blocks that shit like Captain America's shield. This is likely because he has three of them hanging off the front of his body.
YOU FUCKING FATASS GET OFF THE GOD DAM COUCH AND STOP EATING TWINKIES
by Daley Video's June 8, 2023
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