フッ

interjection

hah; pooh

Derisive or dismissive interjection, like a short laugh of contempt or disbelief.

• フッ、そんなの嘘うそに決きまってる。

  Hah, that's obviously a lie.

adverb taking the 'to' particle

pfft; poof

Mimetic adverb for something vanishing or disappearing suddenly, often with 消える.

• 煙けむりがフッと消きえた。

  The smoke disappeared with a poof.

adverb taking the 'to' particle

huff; puff

Mimetic adverb for a short, sharp breath or puff of air, often expressing effort or a sigh.

• 彼かれはフッと息いきを吐はいた。

  He let out a huff of breath.