Green’s Dictionary of Slang

fat city n.1

[SE fat, abundant, stimulating + -city sfx]

success, wealth, often from criminal activities.

[[US]Wash. Post and Times Herald 13 Apr. A1: ‘Wow, this is Easy Street in a fat city,’ said a white Peking duckling, lying back Maharajah-style].
[US]F. Kohner Affairs of Gidget 62: He’s living in fat city [...] accosted by all the hot tickets in college town to hit the sack with them.
[US]J. Lahr Hot to Trot 19: I wanted to go back to America feeling in fat city.
[Aus]B. Humphries Traveller’s Tool 18: Our home-grown Oz fillum producers were on Easy Street, Fat City.
[US]E. Little Another Day in Paradise 241: You guys hit these motherfuckers it’s fat city.
Expressions mag. Mar.–Apr. 🌐 All you need for these stamps are your acrylic blocks and you’re in Fat City, baby.