1. 
   Chirper
   Chirp'er noun One who chirps, or is cheerful.
   Found op http://www.encyclo.co.uk/webster/C/67
   
   
2. 
   Chirper
   • (n.) One who chirps, or is cheerful.
   Found op http://thinkexist.com/dictionary/meaning/chirper/
   
   
3. 
   chirper
   1) Cricket, at times
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/chirper/1
   
   

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