boff vs siege

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. 

siege

noun
  • A prolonged assault or attack. 

  • A period of struggle or difficulty, especially from illness. 

  • A prolonged military assault or a blockade of a city or fortress with the intent of conquering by force or attrition. 

  • The seat of a heron while looking out for prey. 

  • A flock of heron. 

verb
  • To assault or blockade a city or fortress with the intent of conquering by force or attrition; to besiege. 

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