Definition of “your luck's in!” - English Dictionary

british dictionary

“your luck's in!” in British English

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your luck's in!

UK humorous

used to tell someone that they have been lucky or successful:

He's been looking at you all evening - I think your luck's in, Cath.

(Definition of “your luck's in!” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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