A black man named McCoy invented an improved drip oiler to lubricate machinery. It worked so well that his name became associated with about anything successful — if it was genuine. Hence, the phrase “the real McCoy.”
Luann
Greg Evans and Karen Evans
Greg Evans
May 24, 2016
A black man named McCoy invented an improved drip oiler to lubricate machinery. It worked so well that his name became associated with about anything successful — if it was genuine. Hence, the phrase “the real McCoy.”