Meaning

• (of a source of light) to shine with a flickering light; to glimmer

  "We could see the lights of the village twinkling in the distance."

• (chiefly of eyes) to be bright with delight

  "His shrewd little eyes twinkled roguishly."

• To bat, blink or wink the eyes

• To flit to and fro

Meaning

• Sparkling intermittently.