When someone is flexing, pumping iron, or just looking super muscular, Japanese has the perfect sound for it:
Muki Muki!(むきむき)
It’s often playful, bold, and sometimes even a bit exaggerated — like a cartoon bodybuilder showing off.
Let’s listen to the sound of “Muki Muki”!
What is “Muki Muki” (むきむき)?
“Muki Muki” represents:
- A well-developed muscular body
- Tight, flexed muscles under tension
- Sometimes used jokingly for people trying to look strong
It’s often used for macho characters, weightlifters, or even animals with surprisingly bulky bodies.

Pronunciation
moo-kee moo-kee
(With firm tone — sound it out like you’re flexing!)
Categories
Visual / Condition
What Does “Muki Muki” Look Like?
It looks like biceps bulging under a tank top.
Like a bear doing a power pose.
Like a superhero flexing their chest dramatically.

How Do You Say It?
Say it with pride and power:
Muki… Muki!!
Flex your imaginary muscles while saying it!
Example in Daily Life
Example: At the gym
He trained every day,
and now he’s looking totally —
Muki Muki!!

Cultural Note
In English, there’s no direct equivalent,
but you might say:
- “Ripped!”
- “Buff!”
- “Jack(ed)!”
But only muki muki captures both the strength and the slightly silly charm of over-the-top muscles.
Watch & Feel the “Muki Muki” World!
Feel the “Muki Muki” — Body Training
Try Using It!
Next time you or someone else shows off a bicep,
even if it’s tiny…
Say it with a grin:
Muki Muki!!


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