claptrap vs eyewash

claptrap

noun
  • Empty verbiage or nonsense. 

  • A device or trick to gain applause; a humbug. 

  • A device for producing a clapping sound in theaters. 

eyewash

noun
  • Nonsense, flattery, or pretentiousness. 

  • A soothing medicated lotion for the eyes. 

  • The washing out of the eyes with copious water (usually water alone) to quickly remove an irritant, as for example in laboratories and industrial plants. 

verb
  • To keep information secret by sending false information to many people in one's own organization, and correct information to a select few. 

  • To fool with nonsense or flattery. 

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