churr vs ding-a-ling

churr

noun
  • A low vocal sound made by some birds. 

verb
  • To make the low vocal sound of some birds. 

ding-a-ling

noun
  • The sound of a small bell; the sound of a fire engine bell. 

  • The penis. 

  • An eccentric or crazy person. 

adj
  • Attractive. 

How often have the words churr and ding-a-ling occurred in a corpus of books? (source: Google Ngram Viewer )