Meanings of crinkly smile in English

The little man smiled a quaint, crinkly smile of gratification as he explained:

The Old Senior Surgeon looked down with an odd, crinkly smile.

So Polton said, with his quaint, crinkly smile.

Martin is thirty, wiry, his fair hair under his cap already sparse: pleasant face with a crinkly smile.

Doaks gives her a crinkly smile.

As time went on less often appeared the playful curve of his lips, the crinkly smile in the corners of his eyes.

Zellweger and Whitaker make an appealing odd couple; her rounded face and crinkly smile mesh nicely with his bearish build and theatrical cadences.

He's an extraordinary fine-looking young man, with an extraordinary scowl and an extraordinary crinkly smile that is friendly and generous and free from masculine guile.

Polton smiled one of his queer crinkly smiles, and remarking that "it didn't take much making," departed much gratified by the compliment.