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.
See also:
  • light
  • light bulb
  • moment
  • have a light bulb go on (in (one's) head)
  • have a light bulb go on in (one's) brain
  • a light bulb goes on in (one's) brain
  • a light bulb goes on in (one's) head
  • have a light-bulb moment
  • a light bulb goes off in (one's) brain
  • a light bulb goes off in (one's) head