boff vs wiping

boff

noun
  • A hit or smack. 

  • A great success; a hit. 

  • A pupil who works hard; a swot. 

  • A line in a film etc that elicits such a laugh. 

  • A big laugh. 

verb
  • to have sexual intercourse (with someone) 

  • To hit; to strike. 

wiping

noun
  • A thrashing. 

  • Material wiped off something. 

  • The act by which something is wiped. 

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