boff vs yuck

boff

noun
  • A big laugh. 

  • A great success; a hit. 

  • A pupil who works hard; a swot. 

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

  • A hit or smack. 

verb
  • to have sexual intercourse (with someone) 

  • To hit; to strike. 

yuck

noun
  • The sound made by a whole-hearted laugh. 

  • Something disgusting. 

verb
  • To say "yuck"; to express disgust. 

  • To vomit or gag; 

  • fuck. 

  • To laugh or joke. 

  • To yank or grab. 

intj
  • Uttered to indicate disgust usually toward an objectionable taste or odour. 

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