banjo hit vs spanker

banjo hit

noun
  • A weakly hit fly ball which goes just over the infielders. 

spanker

noun
  • A fore-and-aft gaff-rigged sail on the aft-most mast of a square-rigged vessel. 

  • An instrument used to give someone a spanking or spank, such as a paddle. 

  • Someone who spanks. 

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