AnimalsJokes A Girl Takes Her Big Fat Cat To The Vet. This Will Make You Laugh Silly. A girl takes her big fat cat to the vet. “My cat is very fat,” she says. “Alright,” says the vet. “I will look at him.” The vet picks up the cat and examines its teeth. Then she looks at its eyes. Then into its ears. Finally, she turns to the girl and says, “I’m very sorry. I’m going to have to put your cat down.” “Oh no! Because he’s so fat?” “Yes,” says the doctor. “My arms are very tired.” See more Previous joke A Mother Asked Her Son To Lose Their Cat. Next joke A Grandfather Was Rushed To The Hospital.