mop squeezer vs queen of spades

mop squeezer

noun
  • A queen (the playing card). 

queen of spades

noun
  • One of the 52 playing cards in a standard deck. 

  • A non-black woman with a sexual preference for black men. 

How often have the words mop squeezer and queen of spades occurred in a corpus of books? (source: Google Ngram Viewer )