gussy
Pronunciation: /ˈgəsē
verb (gussies, gussying, gussied)
[with object] (gussy someone/something up) North American • informal
Make more attractive, especially in a showy or gimmicky way: shopkeepers gussied up their window displays
Origin
1940s: perhaps from Gussie, nickname for the given name Augustus.
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Jennifer gussied herself up for the dance. Sally made far less effort, but all the boys turned to stare at her when she entered the gym.