BOB vs downtown

BOB

noun
  • Vibrator (device designed to stimulate a woman's genitals). 

adj
  • Back-of-the-book; denoting those stamps in a catalogue that are not used for the payment of regular postage fees, and are displayed separately in the catalogue after that listing; the division between these two groups varies with the publisher. 

downtown

noun
  • The human genitalia. 

  • heroin. 

  • The main business part of a city or town, usually located at or near its center. 

adv
  • In or towards the central business district. 

  • Outside the three-point line, or generally far from the basket. 

adj
  • Of, relating to, or situated in the central business district 

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