squeeze (someone or something) until the pips squeak
To use force or pressure to exploit someone for as much money, information, manpower, etc., as someone has or is able to give. Primarily heard in UK. We were hoping to start our own business, but those loan sharks squeezed us until the pips squeaked with insanely high interest rates. Interrogators are planning to squeeze the captured spy until the pips squeak for all the information he may have about the enemy's plans.
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