Camberwell carrot vs bomber

Camberwell carrot

noun
  • A large cannabis joint. 

bomber

noun
  • A person who sets bombs, especially as an act of terrorism. 

  • A military aircraft designed to carry and drop bombs. 

  • A 22-ounce beer bottle. 

  • A large cannabis cigarette. 

adj
  • Completely solid and secure, usually referring to some form of protective gear. 

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