0 past simple and past participle of twinkle
1 (of light or a shiny surface) to shine repeatedly strongly then weakly, as if flashing on and off very quickly:
If he twinkled a little more brightly at the prettier questioners, it was with the charm of one for whom flirtation was part politesse, part performance art.
I did not think that those lights twinkled with any very great brightness.
A nearly celestial ceiling actually had machine generated clouds and points of light that twinkled like stars.
His eyes were described to be a brilliant, soul-piercing shade of blue, and usually twinkled with kindness and mischief.
On the wintry mountain distant lights twinkled and vanished; in some deep lane beyond the forest a dog barked at the cold, with a cry as fierce as a wolf's.