Green’s Dictionary of Slang

(orig. US black) genuine, trustworthy.

1993		Dr Dre ‘Nuthin But a G Thang’ 🎵 Now that’s realer than real-deal Holyfield.
2003		Joe Mean Streets at skinhead.no 21 Aug. 🌐 It’s a Plaistow very different from the real-deal Plaistow.
2018		C. Hammer Scrublands [ebook] ‘Bikies [...] They look like the real deal’.
2020		(con. 1991-94) W. Boyle City of Margins 70: ‘We’re talking real-deal stuff stuff’.