gleam in (one's) eye

gleam in (one's) eye

1. A facial expression that denotes happiness, amusement, or knowledge of a secret. Just when Rita thought all hope was lost, Jared got a gleam in his eye that told her he had a plan to get them both out of that sticky situation.2. A hope or plan that is not yet in existence. You were not even a gleam in your mother's eye when that photo was taken.See also: eye, gleam

a gleam (or twinkle) in someone's eye

1 a barely formed idea. 2 a child who has not yet been conceived. humorousSee also: eye, gleam