flump vs take a chair

flump

verb
  • To move or fall heavily, or with a dull sound. 

  • To drop something heavily or with a dull sound. 

noun
  • A type of large marshmallow. 

  • A fat out-of-shape person. 

  • The dull sound so produced. 

take a chair

verb
  • To sit down (usually, but not always, in a chair). 

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