boff vs flirt

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. 

flirt

noun
  • A sudden jerk; a quick throw or cast; a darting motion 

  • Someone who flirts a lot or enjoys flirting; a flirtatious person. 

  • A tentative or brief, passing engagement with something. 

  • A brief shower (of rain or snow). 

  • An act of flirting. 

verb
  • To blurt out. 

  • To throw (something) with a jerk or sudden movement; to fling. 

  • To play at courtship; to talk with teasing affection, to insinuate sexual attraction in a playful (especially conversational) way. 

  • To experiment, or tentatively engage, with; to become involved in passing with. 

  • To dart about; to move with quick, jerky motions. 

adj
  • Flirtatious. 

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