Green’s Dictionary of Slang

(US black) extreme, excessive.

1962		(con. 1950s) H. Simmons Man Walking On Eggshells 187: I was on a gin binge myself for over ten years. Ten hell-a-fied years.
1983		N. Heard House of Slammers 6: I’ll throw in ten more boxes [...] that’s a hellified bargain.
1993		Dr Dre ‘Nuthin But a G Thang’ 🎵 Fallin’ back on that ass with a hellified gangsta’ lean.
2000		Ebonics Primer at www.dolemite.com 🌐 derb queen Definition: woman who gives fellatio very well and does it often. Example: Yo that ho named Trixie is a hellafied Derb Queen.
2010		Kanye West ‘See Me Now’ 🎵 I know the flow just hit a hellafied vertical.