American English

Definition of McCoy noun from the Oxford Advanced American Dictionary

 

McCoy

 noun
noun
NAmE//məˈkɔɪ//
 
 
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Idioms
the real McCoy (informal)
 
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something that is genuine and that has value, not a copy It's one of Elvis's suits, the real McCoy.
See the Oxford Advanced Learner's Dictionary entry: McCoy