| an easy and prosperous condition or circumstance: With a new house and a better-paying job, she's in Fat City. |

| Fat City or fat city n. Slang A condition or set of circumstances characterized by great prosperity. |
fat city
Also, Fat City. A condition or circumstance marked by considerable prosperity or having a superior advantage. For example, With that new job she'll be in fat city. [Slang; 1960s] Also see easy street.