That part of the female genitalia where the sun don't shine. Also the name of a cunning rock band in Sydney, Australia, dedicated to the discovery and exploration of dark spaces.
Doctor: How the heck did you get sunburnt down there?
Female patient: I was at a 'Mighty Quim' concert.
Female patient: I was at a 'Mighty Quim' concert.
by BonzoB May 01, 2011