frou-frou vs putting on the ritz

frou-frou

noun
  • A rustling sound, particularly the rustling of a large silk dress. 

adj
  • Liable to create the sound of rustling cloth, similar to 19th-century dresses. 

  • Unimportant, silly, useless. 

  • Highly ornamented, overly elaborate; excessively girly. 

verb
  • To move with the sound of rustling dresses. 

putting on the ritz

How often have the words frou-frou and putting on the ritz occurred in a corpus of books? (source: Google Ngram Viewer )