can take (something) to the bank

can take (something) to the bank

Can believe a particular statement or piece of information because it is definitely true (at least according to the speaker). I heard from a very reliable source that this company is about to close—you can take it to the bank.
See also: bank, can, take
Farlex Dictionary of Idioms.

can take it to the bank

Fig. able to depend on the truthfulness of my statement: it is not counterfeit or bogus; to be able to bank on something. Believe me. What I am telling you is the truth. You can take it to the bank. This information is as good as gold. You can take it to the bank.
See also: bank, can, take
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • can take it to the bank
  • hear (something) straight from the horse's mouth
  • straight from the horse’s mouth
  • from the horse's mouth
  • (straight) from the horse's mouth
  • authority
  • have it on good authority
  • have something on good authority
  • the horse's mouth
  • get (something) straight from the horse's mouth