Stopout as a adjective describes a person (most likely a woman) who stays out all night with another. The kind of girl who leaves a club with a man and doesn't come home until some time the next day.
by butterface November 5, 2005
A woman of loose morals who will often start families with the sole intent of procuring accomodation for herself and her delightful halflings
Good Lord Molly - that scrubber has had 6 additional children since I last clapped eyes on her - the dirty little stopout
by alkie chris November 25, 2003