(of a source of light) to shine with a flickering light; to glimmer / (chiefly of eyes) to be bright with delight / to bat, blink or wink the eyes / to flit to and fro

a sparkle or glimmer of light / a sparkle of delight in the eyes. / a flitting movement / (colloquial) A brief moment; a twinkling. / (childish) The female genitalia.

simple past tense and past participle of twinkle

plural of twinkle

Sparkling intermittently.

present participle and gerund of twinkle

A shining with fast intermittent light. / A very short period, notionally the time it takes to blink the eyes.

plural of twinkling

(slang) Someone with extraordinary footwork

nimble; agile with one's feet