booby vs dirty pillow

booby

noun
  • A woman’s breast. 

  • A stupid person. 

  • Any of various large tropical seabirds from the genera Sula and Papasula in the gannet family Sulidae, traditionally considered to be stupid. 

  • In the game of croquet, a ball that has not passed through the first wicket. 

verb
  • To behave stupidly; to act like a booby. 

  • To install a booby trap on or at (something); to attack (someone) with a booby trap. 

adj
  • Displaying breasts prominently. 

  • Having large breasts. 

dirty pillow

noun
  • A breast, especially a woman's breast. 

  • Used other than figuratively or idiomatically: see dirty, pillow. 

How often have the words booby and dirty pillow occurred in a corpus of books? (source: Google Ngram Viewer )