fat house cat
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"
Person 2: "I KNOW RIGHT"
fat house cat
when someone is fat and they like to sit around
wow she is SUCH a fat house cat