What Is “Doki!”? — The Japanese Sound of a Sudden Heart Jump

Ever had a moment that made your heart leap — a sudden confession, a surprise, or someone calling your name unexpectedly?

That’s when the Japanese onomatopoeia “Doki!” (どきっ!) appears — the sound of your heart skipping a beat in shock, excitement, or nervousness.

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What is “Doki!” (どきっ!)

“Doki!” expresses a sudden, sharp heartbeat — one instant of emotional impact.

It’s the single thump that happens when something surprises or startles you.

Unlike “Doki Doki,” which shows a continuous heartbeat of excitement,
“Doki!” captures just that one moment — a pop of emotion.

Common Uses:

When you see something shocking

When someone gets startled or flustered

When your crush suddenly talks to you

Pronunciation

doh-kee!
(Say it short and sharp — like a small heartbeat skipping!)

Categories

Emotion / Feeling / Sound

What Does “Doki!” Look Like?

It looks like eyes widening in surprise.
A heart suddenly jumping inside the chest.
A gasp before words catch up.

How Do You Say It?

Say it sharply —
Doki!
like your heartbeat suddenly missed a beat.

Examples in Daily Life

Example 1: Sudden Confession

He turned around and said,
“I like you.”
Her heart went —
doki!

Doki!, meaning, Japanese sound words, onomatopoeia

Example 2: Jump Scare

The lights went out —
and something moved behind her —
doki!

Doki!, meaning, Japanese sound words, onomatopoeia

Cultural Note

In English, we might say “My heart skipped a beat,” or “It startled me.”

But “Doki!” gives that instant emotional sound — it’s short, vivid, and straight from the heart.

Watch & Feel the “Doki!” World

Watch these “Doki!” Reactions!

Try Using It!

When something makes your heart jump,
say it softly, like a little spark inside:
Doki!

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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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