hit the roof vs throw one's toys out of the pram

hit the roof

verb
  • To be explosively angry; to lose one's temper. 

throw one's toys out of the pram

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

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