rude awakening vs shocker

rude awakening

noun
  • An unexpected discovery of an undesirable fact, especially one shattering high hopes or signifying the end of a comfortable situation. 

shocker

noun
  • Something done really badly. 

  • A device for giving electric shocks. 

  • Synonym of stooker. 

  • One who or that which shocks or startles. 

  • A particular hand gesture with a sexual connotation. 

  • Sexual act related to the shocker hand gesture: two in the pink, one in the stink. 

How often have the words rude awakening and shocker occurred in a corpus of books? (source: Google Ngram Viewer )