foof vs tunnel of love

foof

noun
  • The vulva or vagina. 

  • An exasperating person. 

  • An eccentric, foolish, or senile person, usually an old man; a coot, codger, or dotard. 

  • An audible puff of wind. 

intj
  • Used to express exasperation or frustration 

  • Onomatopoeia indicating an explosive burst of air. 

verb
  • To fluff; to cause to puff up. 

  • To blow air through the lips while they are pressed together or against skin; to blow a raspberry. 

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 foof and tunnel of love occurred in a corpus of books? (source: Google Ngram Viewer )