kebab vs tunnel of love

kebab

noun
  • The vulva. 

  • A dish of pieces of meat, fish, or vegetables roasted on a skewer or spit, especially a doner kebab. 

  • A shish kebab or any other food on a skewer. 

  • A hand-held dish consisting of pieces of meat roasted on an upright skewer mixed with fresh vegetables and sauces and rolled up in a round piece of unleavened bread. 

  • A restaurant that sells kebabs 

  • A menu icon of three vertical dots. 

  • A Muslim, usually of southern European, Middle Eastern, or North African descent. 

  • The outward growing portions of a shish kebab structure. 

verb
  • To roast in the style of a kebab 

  • To stab or skewer 

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