bright young thing vs man about town

bright young thing

noun
  • One who is youthful, clever, eager, and high-spirited in manner and attractive in appearance. 

  • Any of a group of bohemian young aristocrats and socialites in 1920s London. 

man about town

noun
  • A worldly, social man who frequents fashionable places. 

How often have the words bright young thing and man about town occurred in a corpus of books? (source: Google Ngram Viewer )