dipping vs going on the mitch

dipping

noun
  • The act or fact of missing out on seeing a bird. 

  • The use of dipping tobacco (moist snuff) in the mouth, usually between the lip and gum or cheek and gum in the lower or upper part of the mouth. 

  • The act of inclining downward. 

  • The act of lifting or moving a liquid with a dipper, ladle, or the like. 

  • An act or process of immersing. 

  • The process of cleaning or brightening sheet metal or metalware, especially brass, by dipping it in acids, etc. 

going on the mitch

How often have the words dipping and going on the mitch occurred in a corpus of books? (source: Google Ngram Viewer )