What Is “Guu Guu”? The Japanese Sound of a Growling Stomach or Deep Sleep

guu guu

Have you ever felt your stomach growling loudly when you were hungry?

Or heard someone sleeping deeply with a soft snoring sound?

That low, repeating sound in Japanese is expressed as:

“Guu Guu” (ぐうぐう)

Let’s hear how it sounds!

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What is “Guu Guu” (ぐうぐう)?

“Guu Guu” describes:

  • A stomach growling from hunger
  • Someone sleeping deeply or snoring softly
  • A low, repeated sound coming from the body

Sometimes people also write it as “Gū Gū” (ぐーぐー) to emphasize the longer sound, especially for sleeping or snoring.

A stomach growling from hunger

Pronunciation

goo goo
(Say it low and rounded — like a sound coming from deep inside.)

Categories

Sound

Related Emoji

😴

Related Japanese Kaomoji

(¦3[▓▓]

Related Western Smiley

-_- zzz

What Does “Guu Guu” Look Like?

It looks like someone holding their hungry stomach.
Like a person sleeping peacefully with small snoring sounds.
Like a quiet body sound repeating again and again.

How Do You Say It?

Say it slowly and low:

Guu guu…

Like a stomach growling or someone sleeping deeply.

Examples in Daily Life

Example 1: Hungry stomach

During the quiet meeting,
his stomach suddenly started to growl —

guu guu…

A stomach growling from hunger

Example 2: Sleeping deeply

After a long day,
he fell asleep on the sofa —

guu guu…

Sleeping deeply or snoring softly

Cultural Note

In English, you might say:

  • “My stomach is growling”
  • “Snore snore”
  • “Sleeping soundly”

But “guu guu” is flexible and cute in Japanese.

It suggests:

Hunger sounds
Deep sleep
A low repeating body rhythm

Compared with similar expressions:

  • Goro Goro → stomach rumbling or lazy rolling around
  • Suu Suu → quiet breathing during sleep
  • Guu Guu → stomach growling or sleeping deeply

Watch & Feel the “Guu Guu” World!

Feel the “Guu Guu” — Sleeping Deeply

Try Using It!

When your stomach growls…
When someone sleeps deeply…
When a low body sound repeats softly…

Say it naturally:

Guu guu〜

More Sound-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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