Sentence:  "One woman met her husband because of the show," he said. "She was in the chorus and he was a <WSD>stage-door Johnny</WSD>." 
Meaning of the word marked with <WSD> tags:  A man who is infatuated with one or more theatrical actresses and who routinely lingers in and around theatres in an effort to meet and form relationships with the female object(s) of his affection.