blank check
noun1
US A signed check of the type used to draw money from a bank account, containing no information as to the amount to be paid with it, so that any amount can be filled in.
2
US, Figuratively A grant of complete authority to spend an unlimited amount of money, or to take other actions without restraint.
- Nixon and Kissinger had established a blank check policy, giving the Shah a free hand to buy as many American weapons systems as he wanted, even the most technologically advanced, so long as they were not nuclear.1992, Leon T. Hadar, Quagmire: America in the Middle East, page 55:
- Derived terms
- blank check company