drop-dead vs stunning

drop-dead

adv
  • Absolutely final; being the deadline, especially in relation to a date set out in a contract upon which adverse consequences will flow if the contract has not been fulfilled. 

  • Very impressively or spectacularly. 

stunning

adj
  • Exceptionally beautiful or attractive. 

  • Having an effect that stuns. 

  • Amazing; wonderfully good. 

noun
  • The act by which a person or animal is physically stunned. 

How often have the words drop-dead and stunning occurred in a corpus of books? (source: Google Ngram Viewer )