Definition of light-bulb moment in English:

light-bulb moment

Syllabification: light-bulb mo·ment

noun

informal
A moment of sudden realization, enlightenment, or inspiration: I had a light-bulb moment and vowed to start managing my money better for independent inventors, the light-bulb moment must be followed by the long hard slog of production and marketing
More example sentences
  • In a light bulb moment, Hong came up with the idea for the website.
  • I was with my friend and now, business partner Kim, when she had a light bulb moment.
  • After a visit to my TCM doctor I had a light bulb moment.

Origin

from the representation of an illuminated light bulb above a character's head in a cartoon or comic strip, to indicate that they have had an idea.

Definition of light-bulb moment in:

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Pronunciation: ˌɪmpjʊˈdɪsɪti
noun
lack of modesty