ブルルン

interjection

vroom; va-va-vroom

Onomatopoeia for a powerful engine revving or accelerating, often used in a playful or admiring way.

See also: ぶるん

• スポーツカーがブルルンと音おとを立たてて走はしり去さった。

  The sports car roared off with a vroom.

interjection

sound of an animal shaking itself dry

Specifically the sound of a wet animal, especially a dog, shaking its fur to remove water.

• 犬いぬが水みずから上あがってブルルンと体からだを震ふるわせた。

  The dog came out of the water and shook itself with a brrr.