hit the gas

Suggesting the use of a gas pedal, or accelerator.

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hit the gas (third-person singular simple present hits the gas, present participle hitting the gas, simple past and past participle hit the gas)

1. (US, idiomatic) To go; go faster.

   Synonyms: gas, hit the accelerator, lay tracks, put the pedal to the metal, step on the gas

   They're gaining on you; you'd better hit the gas, now!

2. (idiomatic, informal) To advance or do something more quickly or with more energy.

   Synonyms: hit the accelerator, step on the gas

• put the brakes on