flapper vs thumb

flapper

noun
  • The hand. 

  • A young girl usually between the ages of 15 and 18, especially one not "out" socially. 

  • A young game bird just able to fly, particularly a wild duck. 

  • A flipper; a limb of a turtle, which functions as a flipper or paddle when swimming. 

  • A flapper valve. 

  • One who or that which flaps. 

  • Any injury that results in a loose flap of skin on the fingers, making gripping difficult. 

  • A young woman, especially when unconventional or without decorum or displaying daring freedom or boldness; now particularly associated with the Jazz Age of the 1920s. 

thumb

noun
  • The short thick digit of the hand that for humans has the most mobility and can be made to oppose (moved to touch) all of the other fingers. 

  • A thumbnail picture. 

  • The part of a slider that may be moved linearly along the slider. 

verb
  • To turn the pages of (a book) in order to read it cursorily. 

  • To manipulate (an object) with the thumb; especially, to pull back the hammer or open the cylinder of a revolver. 

  • To hitchhike 

  • To touch or cover with the thumb. 

  • To soil or wear with the thumb or the fingers; to soil, or wear out, by frequent handling. 

  • To fire (a single action revolver) quickly by pulling the hammer while keeping the trigger depressed. 

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