anaconda vs hot rod

anaconda

noun
  • A large penis. 

  • The green anaconda; Eunectes murinus. 

  • Any of various large nonvenomous snakes of the genus Eunectes, found mainly in northern South America. 

name
  • A particular variety of stud poker. 

hot rod

noun
  • The penis. 

  • Typically a passenger vehicle modified to run and/or accelerate faster. The term may be used generically to apply to any car, truck, or motorcycle (et al.) modified for increased speed and/or performance. It may also be used to specifically describe and refer to modified cars from the original (or traditional) era of "hot rods", post World War II and prior to 1960. 

verb
  • To modify a vehicle for enhanced driving performance, top speed, and/or to accelerate faster. 

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