flump vs take a seat

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 seat

verb
  • To be benched, to leave the area of play 

  • To sit down; to become seated, to sit. 

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