Taking cleaners refers to being scammed or swindled out of one's belongings or money. It's a term used to describe a situation where someone has been cheated. There are a number of synonyms that can be used to describe situations where people are being taken cleaners. These synonyms include being conned, fleeced, or swindled. Other similar terms can be used to describe this type of situation, such as being hoodwinked, bamboozled, or deceived. Whatever term is used, the end result is the same - someone has been taken advantage of, and they've lost something valuable in the process.