fridge vs get it on

fridge

verb
  • To gratuitously kill, disempower, or otherwise remove (a character, usually female) from a narrative, often strictly to hurt another character (usually male) and motivate vengeance. 

  • To place (something) inside a refrigerator to chill; to refrigerate. 

noun
  • A refrigerator. 

get it on

verb
  • To engage in a fight. 

  • To have sex. 

  • To hurry up; to get a move on. 

  • Used other than figuratively or idiomatically: see get, it, on. 

How often have the words fridge and get it on occurred in a corpus of books? (source: Google Ngram Viewer )