put the hammer down

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put the hammer down

To press down the accelerator (of an automobile) as far as possible; to accelerate to or travel at an automobile's maximum speed. Primarily heard in US. It would normally take us three days driving to New York from Colorado, but with my brother putting the hammer down the whole way, we made it in two.
See also: down, hammer, put
References in periodicals archive ?
At the moment when he puts the hammer down it all works, like it did for Michael Owen and Fernando Torres at that age.
ReelTime NITRO really puts the hammer down, offering the real-time functionality and real-time DVE of those integrated systems, but for a fraction of the price.