men's room vs shithouse

men's room

noun
  • A lavatory intended for use by men, often including urinals in addition to toilets. 

  • Other rooms intended for use by men, as waiting rooms, dressing rooms, locker rooms, etc. 

shithouse

noun
  • An outhouse, an outbuilding used as a lavatory 

  • A coward: one who is overly fearful or timid. 

  • A filthy place. 

verb
  • To engage in persistent unsporting behaviour or gamesmanship; to play in a cynical, ugly manner; to cheat without being punished. 

adj
  • Of poor quality. 

How often have the words men's room and shithouse occurred in a corpus of books? (source: Google Ngram Viewer )