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vroomand varoom (vrum and vɑˈrum)
1. interj. the noise of a loud engine. (Onomatopoetic.) Vroom, vroom went the engine as Vic gunned it over and over.
2. in. to move rapidly from place to place; to travel at high speed, making the noise of a loud engine. The little boy varoomed down the sidewalk on his tricycle.