'blink of an eye' definitions:
Definition of 'blink of an eye'
From: WordNet
noun
A very short time (as the time it takes the eye to blink or the heart to beat); "if I had the chance I'd do it in a flash" [syn: blink of an eye, flash, heartbeat, instant, jiffy, split second, trice, twinkling, wink, New York minute]