From Longman Dictionary of Contemporary Englishminxminx /mɪŋks/ noun [countable] old-fashioned WOMANan attractive young woman who does not show respect and who is good at getting what she wants in a clever way
Examples from the Corpus
minx• Maxwell nodded as they watched a little, hustling minx sashay her way across the floor.• Same goes for about half the words I've been learning from that little minx.• Just as soon as the little minx knows which village halls it's playing.• On our way I looked for Mathilda but Benjamin was right, there was no sign of the little minx.• The little minx seems to have half the young men in London at her feet.• Aunt Edie felt there was a very teasing minx behind the girl's demure look.• Pamela was not, in our view, the minx that Fielding thought her.Origin minx (1500-1600) Perhaps from Middle Dutch minnekijn “much-loved person” 