A gun moll (aka gangster moll) is the female companion of a male professional criminal. In some contexts, 'gun moll' more specifically suggests that the woman handles a firearm.
双语例句
1
She is known as his moll or sometimes as a gunmoll.
她一般会被看作是他的moll，或者有时被看成一个gunmoll。
2
But the American Heritage Dictionary says gunmoll is based on obsolete British slang.