high jinks vs laughathon

high jinks

noun
  • Boisterous activity or behaviour; lively fun. 

  • An old Scottish parlour game in which people were chosen, usually by throwing dice, to perform some humorous act or drink a large amount of an alcoholic beverage, with a forfeit if they were unable to do so. 

  • Tricky or waggish behaviour; mischief. 

laughathon

noun
  • Something very funny; a comedy session or period of great amusement. 

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