real McCoy

Graham Taylor, who started Helix Biotech last year, says labs have shown that their mimics trigger similar immune responses to the real McCoy.

From Science Magazine ● May 30, 2023

Dear Carolyn: My spouse has severe celiac disease — the real McCoy with almost shocklike reactions requiring emergency treatment, injections, etc.

From Washington Post ● Mar. 5, 2023

But like “Gilligan’s Island” spinoffs “The New Adventures of Gilligan” and “Gilligan’s Planet,” they can’t seem to capture the magic of the real McCoy — and they’re at risk of being canceled because of it.

From Los Angeles Times ● Jun. 21, 2019

“He’s the real McCoy — so moving,” Mr. McDermott said.

From New York Times ● May 19, 2017

The man had character and spunk and Bloom had considered him an attractive original, had always known he was the real McCoy.

From "The Milagro Beanfield War" by John Nichols