rev up (to) [exp]

Meaning:

• to press the gas pedal so the engine gets warm.

Examples:

1. After starting the engine, it’s good to rev up the engine of the car for just a few seconds before starting to go.
2. He revved up the car’s engine to impress the crowd.
3. Before hitting the racetrack, the driver revved up the engine.
4. You could hear the motorcycle revving up from blocks away.