With a new house and a better-paying job, she's in Fat City.
Also, fat city.
Origin
1960-65
Slang definitions & phrases for Fat City
fat city
noun phrase
An ideal situation; splendid state of affairs •In earlier use fat city meant ''vulva'': You're in fat city while other poor slobs sweat on assembly lines/ Johnny came marching home from college and announced he was in ''fat city''(1960s+)
Poor physical condition, esp because of being overweight: Its principal characters wind up in ''fat city'' (argot for ''out of condition'')(1970s+)
Idioms and Phrases with Fat City
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. [ ; 1960s ]