What is "chubbiest"

Usage examples of "chubbiest".

How the young rogues clap their hands, and dance round their father, for very joy at the prospect of the feast: and how anxiously the youngest and chubbiest of the lot, lingers on tiptoe by his side, trying to get a peep into the interior of the dish.

Seeing me, the chubbiest of the girls (I'm sure that's how they referred to themselves) gave me a dimpled grin and held up her silhouette.