Twinkle \Twin"kle\, v. i. [imp. & p. p. {Twinkled}; p. pr. & vb. n. {Twinkling}.] [OE. twinklen, AS. twinclian; akin to OE. twinken to blink, wink, G. zwinken, zwinkern, and perhaps to E. twitch.] 1. To open and shut the eye rapidly; to blink; to wink. The owl fell a moping and twinkling. --L' Estrange.