twinkle
/ˈtwɪŋkl̩/
A sparkle or glimmer of light
A sparkle of delight in the eyes.
He was a rotund, jolly man with a twinkle in his eye.
A flitting movement
A brief moment; a twinkling.
The female genitalia.
The popular Swedish cartoon song about genitals was translated as "Willie and Twinkle".