stage door Johnny vs stage-door Johnny

stage door Johnny

stage-door Johnny

noun
  • 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(s) of his affection. 

  • A devoted fan of live theatre and of performing artists, who habitually spends time in and around theatres. 

How often have the words stage door Johnny and stage-door Johnny occurred in a corpus of books? (source: Google Ngram Viewer )