A gangster’s woman is a gun moll.
Maybe a spin on that.
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Links
https://video.foxnews.com/v/5976775955001/?#sp=show-clips
https://video.foxnews.com/v/5776370418001/?#sp=show-clips
Wikipedia had this to say -
“Moll” derives from “Molly”, used as a euphemism for “whore” or “prostitute” and attested at least since 17th century England. It is also worth noting that “molly” is a term for a female cat, though it is much more rarely used than “tom” is for males.