condom vs dinger

condom

noun
  • A flexible sleeve made of latex or other impermeable material such as sheepskin, worn over an erect penis during sexual intercourse as a contraceptive or as a way to prevent the spread of STDs. 

dinger

noun
  • A condom. 

  • The suspended clapper of a bell. 

  • 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 condom and dinger occurred in a corpus of books? (source: Google Ngram Viewer )