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Some one who plays a Online game and excludes everything else. Often used to describe when some one has a lot of time to spend in a online game.
Came from a article in a newspaper on Everquest. The player they interviewed played so much Everquest he forgot to change his cats littler box, leading the reported to comment his house smelled like "a cats ass".
Not every one has enough time to catass foir items in Everquest.

That guy is such a catass, he has been at the same spawn for 9 hours straight.
by Rupert March 07, 2004
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PC Gamer says "Apparently, there's a word in the MMO community called 'catass' to describe someone whose online addiction has caused their domestic and personal hygiene to degenerate to such a degree that their entire house begins to smell like an enormous cat-litter box."
That guy just got City of Heroes and has now gone catass.
by Ramsey September 18, 2004
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Jumping onto high surfaces quickly, and silently landing on your ass. The use of arms for balance is strictly prohibited.
Andrew cat-assed onto the roof of his car.
by AndrewRice July 26, 2011
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when someone tkaes a drag of your cigarette and leaves it all gooey and wet!
you asshole, you cat-assed my smoke!
by Magdalene St. Vitus March 22, 2005
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Sexual pleasure from spraying catnip on your ass and having the cats go at it.
I have no plans other than to catass tonight.
by CR33dz May 07, 2016
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The uncomfortable feeling associated with a sweaty, uncomfortable, and puckered asshole. Originated from the idea of how a cat's ass looks and might feel.
Today after the gym I had horrible cat ass.
by Ashley Ricker February 09, 2008
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I'm 50 years old, when I and my friends started smoking as 10,11,12...year olds,we would share one smoke, and we always cursed the guy who would wet the filter, hence the term "catass"

Fuck, Ralph catassed it again
by jay pattison November 30, 2004
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