a light-bulb moment

a light-bulb moment

An instance in which an ingenious idea or insight comes to one all of a sudden. A light-bulb moment came to me as I was taking a bath the other day. A: "The idea was Marvin's, and it was truly inspired." B: "What can I say, it was a light-bulb moment."
See also: moment
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
See also: