What is Stopout?
1.
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.
Mary turned to Janet and laughed, "Why you filthy little stopout... Did he cook ya breakfast?"
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2.
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