0 used to describe something that shines in an attractive way:
1 used to describe someone who is friendly and who smiles a lot:
Here are 10 of the best sparkly, twinkly holiday light displays sure to set your spirits ablaze.
The dance was saved by the big cowpuncher with the peeling nose and the twinkly gray eyes.
The doctor cast a quick glance from his twinkly black eyes.
But there was something that instantly disarmed anger in the odd star-pointing nose, the twinkly eyes, and the wide mouth set at a perpetual grin.
His younger brother is round and red-faced, with twinkly blue eyes.
She liked this new man with his crinkly, twinkly blue eyes and white teeth.
He had had a snub, freckled nose and twinkly eyes.
Her eyes were blue, deep and twinkly, and the rest of her face was as pretty and sweet as soft girlish contours and a perfect complexion could make it.