jackpudding vs wacko

jackpudding

noun

  • An amusing person who acts foolishly in order to entertain others 

wacko

noun

  • An amusingly eccentric or irrational person. 

adj

  • Amusingly eccentric or irrational. 

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