Green’s Dictionary of Slang

(US black) a (9mm) handgun.

1993		Dr Dre ‘Nuthin But a G Thang’ 🎵 But if I got my Nina, then you know I’m straight trippin’.
2000		Ebonics Primer at www.dolemite.com 🌐 neener Definition: slang term for nine millimeter.
2019		C.D. Rosales Word Is Bone [ebook] This badass dude Spanky is barreling after Junie, with a nina weighing his pants down for sure.
2020		G. Krauze What They Was 48: Nina’s cool, I like her, though it’s the twenty-two-year-old I really wanna go out with. And the forty-five-year-old is way too old for me.