What Is “Buwa!”? The Japanese Sound of Sudden Expansion, Emotion, or Movement

Ever seen a cloud of dust rise all at once?
Or felt a wave of tears coming up suddenly?

That’s when you’ll hear the Japanese sound “Buwa!” (ぶわっ)
a word that captures the moment something spreads, bursts, or rushes out all at once.

It’s the sound of a sudden swell — whether physical, emotional, or visual.

Before we dive in, hear what it sounds like!

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What is “Buwa” (ぶわっ)?

“Buwa” expresses something suddenly expanding or pouring out.

It’s used for:

  • Visual effects: like smoke, steam, or petals scattering
  • Emotions: tears welling up or someone starting to cry
  • Surroundings: fog or dust spreading out at once
  • Smells or sounds: bursting or rushing forth

This is a single-moment expression — often dramatic, gentle, or poetic.

illustration of sound word, buwa, ぶわっ, Sudden Expansion

Pronunciation

boo-wah
(Quick and wide — like something popping open or being released)

Category

Motion

What Does “Buwa” Look Like?

It looks like:

  • A cloud of cherry blossom petals blowing out all at once
  • Tears bursting from someone’s eyes
  • A hot puff of steam from a bowl of ramen
  • A dramatic burst of memory or realization in anime

How Do You Say It?

Say it quickly, with a soft explosion:
Buwa!!

Like steam gushing out from a lid,
or feelings rising and flowing all at once:
Buwa!!

Examples in Daily Life

Example 1: Cherry blossoms scatter

The wind blew, and the petals burst out —
Buwa…

illustration of sound word, buwa, ぶわっ, Sudden Expansion

Example 2: Tears welling up

He heard her voice again,
and the tears came —
Buwa…

illustration of sound word, buwa, ぶわっ, Sudden Expansion

Cultural Note

“Buwa” is often seen in:

  • Anime and manga when emotions rise suddenly
  • Poetic or gentle storytelling
  • Describing weather or natural events (fog, snow, steam)

It’s more visual and emotional than literal — you feel it, not just hear it.

Watch & Feel the “Buwa” World!

Feel the “Buwa” — A Big Kite

Try Using It!

When a memory overwhelms you…
When something flows or bursts out gently…
When describing a soft explosion of sound or light…

Try whispering it:
Buwa…

More Motion-based Onomatopoeia:
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Naoboo
Welcome to this site — a soft and cozy space for you.
Here, Japanese onomatopoeic expressions are collected — each one like a tiny, sound-flavored candy, a little piece of the world shared gently and playfully.

I hope you’ll find a favorite or two to carry with you.
Thank you for visiting.

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