boff vs dong

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. 

dong

noun
  • A penis. 

  • A dildo, specifically a synthetic anatomical replica of the penis. 

  • Onomatopoeia for the ringing sound made by a bell with a low pitch. 

  • A submunicipal administrative unit of a city in North or South Korea. 

  • The currency of Vietnam, 100 xus. Symbol: ₫ 

  • The currency of South Vietnam, 100 xus. Symbol: Đ. 

verb
  • Of a bell: to make a low-pitched ringing sound. 

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