Vroom
WordNet
noun
(1) The roaring sound made by a motor that is running at high speed
verb
(2) Make a loud, roaring sound, as of a car engine, while moving
WiktionaryText
Interjection
- The sound of a sports car’s engine when it's being subjected to lots of revs
- I never saw my uncle’s Ferrari, but I could always hear it going vroooooom as it flew past by my house