chirpy vs macerator

chirpy

noun
  • An electronic device which uses a piezoelectric transducer to make chirping noise, often designed to be hidden and function as an annoyance 

  • Specifically, a version of the above designed to be thrown for placement. Similar to a throwie. 

adj
  • In a good mood; happy and energetic. 

  • Making chirping noises. 

macerator

noun
  • A machine that reduces solids to small pieces. 

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