Twinkle  —v. (-ling) 1 (of a star or light etc.) Shine with rapidly intermittent gleams. 2 (of the eyes) sparkle. 3 (of the feet) move lightly and rapidly. —n. 1 sparkle or gleam of the eyes. 2 twinkling light. 3 light rapid movement.  in a twinkle (or a twinkling or the twinkling of an eye) in an instant.  twinkly adj. [old english]