Definition of fat cat noun from the Oxford Advanced Learner's Dictionary


fat cat

BrE BrE//ˈfæt kæt//
; NAmE NAmE//ˈfæt kæt//
(informal, disapproving)
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a person who earns, or who has, a lot of money (especially when compared to people who do not earn so much) Why should those fat cats get rich at our expense?
See the Oxford Advanced American Dictionary entry: fat cat