expression
chubby; plump; soft and squishy
Onomatopoeic expression describing a soft, plump, or squishy appearance, often used for babies, animals, or cute things. Related to the slang verb ポニョる (to be chubby).
See also: ポニョる
赤ちゃんのほっぺがぽにょぽにょでかわいい。
The baby's cheeks are so chubby and cute.
この猫、お腹がポニョポニョしてるね。
This cat has a soft, squishy belly, doesn't it?