light bulb moment

British  

noun

1. informal a moment of sudden inspiration, revelation, or recognition

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Etymology

Origin of light bulb moment

C20: from the cartoon image of a light bulb lighting up above a character's head when he or she has an idea

Example Sentences

"The filters would be very good insulation, and someone had a light bulb moment and probably bought this as scrap off their manager," he said.

From BBC

From that light bulb moment, Recondition, which Brown said created every piece with accessibility and style in mind, was born.

From BBC

But it was a light bulb moment with the swing that made the most profound change.

From Los Angeles Times

She’d often mix her mayo with Marconi hot giardiniera relish to make her own sauce, which sparked the light bulb moment.

From Los Angeles Times

“I noticed that my kids just didn’t differentiate. It was just such a light bulb moment for me. This is how it should be. More exposure to the full spectrum of humanity.”

From Los Angeles Times