Twinkle Tinkle Little Blog....

dict threw this up ( among other definitions ),

From Webster's Revised Unabridged Dictionary (1913) :

Twinkle \Twin"kle\, n.
1. A closing or opening, or a quick motion, of the eye; a
wink or sparkle of the eye.

Suddenly, with twinkle of her eye, The damsel broke
his misintended dart. --Spenser.

2. A brief flash or gleam, esp. when rapidly repeated.

3. The time of a wink; a twinkling. --Dryden.

Tinkle \Tin"kle\, n.
A small, sharp, quick sound, as that made by striking metal.
--Cowper.