a fat house cat is when you have a cat that lives in your house that is fat ( also when he eats a lot) it will also poop on your clothing.
Person: "WOW! she is such fat house cat"
Person 2: "I KNOW RIGHT"
by Pooppoopbedooppoop January 18, 2018
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when someone is fat and they like to sit around
wow she is SUCH a fat house cat
by Spencer Jennifer January 18, 2018
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It’s worst than granny tranny but it kills on impact.It will destroy the world if you say this so use it wisely since you can only use it once
Joe: your mom gay
Matt:No you
Joe: your granny tranny
Matt:your cat fat attack
Joe: *dies* this is the worst spell of the century!!

your cat fat attack means that you kill them on impact and they explode.
by YOURMOMGAYANDTRANNY March 20, 2018
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a cat fatter than you when you where 13, FATTER THAN GARFIELD, and you can see, the cat's owners dont care.
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fat cats are found under ur bed when u go to sleep they like to nibble on ur toes.
I like fat cat in a room it tastes good

kid: wakes up* OMG WHY DO I HAVE NO FEET

fat cat in room: meows sexyly

kid: *looks under bed get snatched*
by DINO REEEEEEEEEEEEEE July 24, 2022
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