vroom
verb
[ vruːm ]
• (of a vehicle or its engine) make a roaring sound when travelling or running at high speed.
vroom
noun
• the roaring sound of an engine or motor vehicle.
• "the vroom of a passing motorcycle"
vroom
exclamation
• used to convey the idea of speed or acceleration.
• "press the ignition button and vroom!"
Origin:
1960s: imitative.
