have a cow vs throw one's toys out of the pram

have a cow

verb
  • To get angry; have a fit. 

  • My mom had a cow when I came in late. 

  • Used other than figuratively or idiomatically: see have, a, cow. 

throw one's toys out of the pram

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

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