flounce vs thrash about

flounce

verb
  • To move in an exaggerated, bouncy manner. 

  • To decorate with a flounce. 

  • To depart in a haughty, dramatic way that draws attention to oneself. 

noun
  • A strip of decorative material, usually pleated, attached along one edge; a ruffle.ᵂ 

  • A row of spines, corrugations, or skin folds on the hemipenis of a snake. 

  • The act of flouncing. 

thrash about

verb
  • to move unpredictably and often violently, usually unaware 

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