bumshoving vs bungholing

bumshoving

noun

  • Anal sex. 

  • Giving way of the hips during the drive phase. 

bungholing

noun

  • anal sex 

  • ruining, screwing-over 

adj

  • buggering 

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