chill out vs throw one's toys out of the pram

chill out

verb
  • To relax or take time out; to calm down. 

throw one's toys out of the pram

verb
  • To lose one's temper; to throw a tantrum. 

How often have the words chill out and throw one's toys out of the pram occurred in a corpus of books? (source: Google Ngram Viewer )