What is fat cuck?

Drunken rhyming slang for a cat that you really hate! (swop the first letter of each word for sober translation)

Come home from the pub and trip over the cat, "I'm gonna kill that cucking fat!"

fat cuck - video

Fat cuck - what is it?

A fat cuck is someone who is cucked by a fat black man

I heard that John is a fat cuck.