bowl a googly vs knock back

bowl a googly

verb
  • to surprise (someone); to introduce (to someone) something unexpected, underhand or requiring a quick reaction or correction. 

  • Used other than figuratively or idiomatically: see bowl, googly. 

knock back

verb
  • To stun; to surprise. 

  • To drink an alcoholic beverage swiftly or often. 

  • To press or knead (dough) so as to remove air bubbles. 

  • To reject; to refuse. 

How often have the words bowl a googly and knock back occurred in a corpus of books? (source: Google Ngram Viewer )