biff vs shocker

biff

noun
  • A wipeout. 

  • A sudden, sharp blow or punch. 

intj
  • The sound of a person being punched or hit. 

verb
  • To discard; to throw out; to throw away. 

  • To punch or hit. 

  • To wipe out; to faceplant; to fall. 

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 biff and shocker occurred in a corpus of books? (source: Google Ngram Viewer )