bumfuck vs buttfuck

bumfuck

noun
  • Anal sex. 

  • An isolated place far removed from major cities. 

verb
  • To fuck anally. 

adj
  • I hate living in this small town in the middle of bumfuck nowhere. 

  • Isolated and neglected, undesirable, or held in contempt. 

buttfuck

noun
  • An act of anal intercourse. 

verb
  • To perform an act of anal intercourse. 

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