The term 'short and fat' can be described by three five-letter words: TUBBY, PODGY, and PUDGY. All three words are used to describe someone who is short and overweight. TUBBY is a slang term that is often used to describe someone who is short and round. PODGY is an informal word that is used to describe someone who is short and plump. PUDGY is another informal word that is used to describe someone who is short and chubby.