Trophy wife
WordNet
noun
(1) A wife who is an attractive young woman; seldom the first wife of an affluent older man
"His trophy wife was an asset to his business"
WiktionaryText
Etymology
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Coined 1989 by Julie Connelly in a Fortune magazine cover story, by analogy with a real estate trophy building.
- “Powerful men are beginning to demand trophy wives. ... The more money men make, the argument goes, the more self-assured they become, and the easier it is for them to think: I deserve a queen.”
Noun
- A wife, usually young and attractive, regarded as a status symbol for the husband, usually older and affluent.