go-go
go-go {adj.}, {slang}, {informal}
1. Vigorous youthful, unusually active.
Joe is a go-go kind of guy.
2. Of a discotheque or the music or dances performed there.
3a. Unrestrained.
3b. Very up-to-date, hip.
Mary wore handsome go-go boots to the discotheque last night.
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Source: A Dictionary of American Idioms