bell button vs dinger

bell button

noun
  • A button in the form of a jingle bell, used as a fastener or decoration on a piece of clothing. 

  • A small, round mechanical device which, when pressed, rings a bell to announce one's presence or call a servant, assistant, etc. 

dinger

noun
  • The suspended clapper of a bell. 

  • A condom. 

  • An unregistered car. 

  • Something outstanding or exceptional, a humdinger. 

  • A home run. 

  • One who rings a bell. 

  • A catapult, a shanghai. 

  • A bell or chime. 

  • The penis. 

  • The buttocks, the anus. 

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