シュッと

adverb

quickly; swiftly; in a flash

Describes a quick, smooth, or sharp movement, often with a sense of neatness or efficiency.

• 彼かれはシュッと立たち上あがった。

  He stood up quickly.

• シュッと手てを動うごかして合あい図ずした。

adverb

with a swish; with a whoosh

Mimics the sound or sensation of something cutting through the air smoothly, like a whip or a fast-moving object.

• 鞭むちがシュッと空くうを切きった。