designer stubble vs five o'clock shadow

designer stubble

noun
  • A fashionable short growth of male facial hair. 

five o'clock shadow

noun
  • A beard growth visible late in the day on the face of a man with facial hair growth that was clean-shaven in the morning. 

How often have the words designer stubble and five o'clock shadow occurred in a corpus of books? (source: Google Ngram Viewer )