boff vs spleen

boff

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

  • A great success; a hit. 

  • A pupil who works hard; a swot. 

  • A big laugh. 

  • A hit or smack. 

verb
  • to have sexual intercourse (with someone) 

  • To hit; to strike. 

spleen

noun
  • A fit of immoderate laughter or merriment. 

  • In vertebrates, including humans, a ductless vascular gland, located in the left upper abdomen near the stomach, which destroys old red blood cells, removes debris from the bloodstream, acts as a reservoir of blood, and produces lymphocytes. 

verb
  • To remove the spleen, or, by extension, to gore. 

  • To excise or remove. 

  • To annoy or irritate. 

  • To complain; to rail; to vent one's spleen. 

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