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McCoy

[ muh-koi ]
/ məˈkɔɪ /
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noun
Usually the McCoy or the real McCoy . the genuine thing or person as promised, stated, or implied: Those other paintings are copies, but this one is the McCoy.
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Origin of McCoy

First recorded in 1880–85; also Mackay, McKie, the clear McCoy (of liquor); of uncertain origin; hypothesized identifications with Mackay, a Scottish clan, and Kid McCoy, nickname of U.S. boxer Norman Selby (1873–1940), are unsubstantiated
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use McCoy in a sentence

British Dictionary definitions for McCoy (1 of 2)

McCoy1
/ (məˈkɔɪ) /

noun
slang the genuine person or thing (esp in the phrase the real McCoy)

Word Origin for McCoy

C20: perhaps after Kid McCoy, professional name of Norman Selby (1873–1940), American boxer, who was called ``the real McCoy'' to distinguish him from another boxer of that name

British Dictionary definitions for McCoy (2 of 2)

McCoy2
/ (məˈkɔɪ) /

noun
Tony, full name Anthony Peter McCoy. born 1974, Northern Irish national hunt jockey: champion jockey every season since 1995/96
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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