doggy style vs flea bag

doggy style

noun
  • The position assumed for doggy style intercourse. 

adj
  • With one partner on all fours and the other penetrating from behind. 

adv
  • In a position whereby one partner is on all fours and the other partner is penetrating from behind. 

flea bag

noun
  • An unkempt mammal, especially a dog or cat. 

  • A poor and disreputable person. 

  • A sleeping bag. 

  • A disreputable place of accommodation. 

How often have the words doggy style and flea bag occurred in a corpus of books? (source: Google Ngram Viewer )