break the bank vs multiply

break the bank

verb
  • To exhaust one's financial resources. 

  • At a casino etc., to win all the money that is available to be paid. 

multiply

verb
  • To increase the amount, degree or number of (something). 

  • To grow in number. 

  • To perform multiplication. 

  • To be a factor in a multiplication with (another factor). 

  • To breed or propagate. 

  • To perform multiplication on (a number). 

noun
  • An act or instance of multiplying. 

adv
  • In many or multiple ways. 

How often have the words break the bank and multiply occurred in a corpus of books? (source: Google Ngram Viewer )