mccoy
n. countablen. the real thing, not a copy or a fake. You use this when you want to say something is genuine and high quality.
n. the authentic or genuine version of something, as opposed to a substitute or imitation. Almost exclusively used within the fixed idiomatic phrase 'the real McCoy'.
This vintage watch is the real McCoy.
After trying several cheap knock-offs, he was thrilled to finally find a pair of boots that were the real McCoy.
While many modern reproductions capture the aesthetic of the era, collectors are only interested in instruments that are the real McCoy, complete with original hardware and finish.
Typically functions as a singular noun phrase preceded by the definite article 'the'.
the real Macoythe real McCoyThe name is a proper noun and requires the specific 'McCoy' spelling with a capital M and C.