assfuck vs bumfuck

assfuck

noun
  • Sodomy, anal sex, an act of anal intercourse. 

  • A jerk; an obnoxious person. 

  • An act of stunning betrayal. 

verb
  • To betray. 

  • To engage in anal intercourse. 

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. 

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