hoo-ha vs tunnel of love

hoo-ha

noun
  • Vagina, vulva. 

  • A fuss, uproar, commotion or stir; hype; brouhaha, hullabaloo. 

tunnel of love

noun
  • The vagina. 

  • A carnival dark ride for couples in boats, either relaxing and romantic, or spooky (encouraging the couple to cling to one another). 

How often have the words hoo-ha and tunnel of love occurred in a corpus of books? (source: Google Ngram Viewer )