genuine article

genuine article (plural genuine articles)

1. real deal, real McCoy, pure quill, the shit, the bomb
   • 2018 November, Deborah Blum, “When Milk Was Full of Calf Brains”, in The Atlantic‎:

     “Coffee” might be largely sawdust, or wheat, beans, beets, peas, and dandelion seeds, scorched black and ground to resemble the genuine article.

   • 2023 April 5, Chantal Da Silva, Daniel Arkin, “Cash App founder Bob Lee reportedly killed in San Francisco stabbing, sources say”, in NBC News‎:

     "Bob was a dynamo, a force of nature. Bob was the genuine article," Joshua Goldbard said.

• whole package

• genuine article (Check: CB, CD, CO, LX, LM, MM, MW, OL, TFD)
• “the genuine article” (US) / “the genuine article” (UK) in Macmillan English Dictionary.