The story
Probably a reference to the use of a light bulb in cartoons and comics to indicate that a person has had a bright idea.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Slow-witted, stupid. Full definition →
Probably a reference to the use of a light bulb in cartoons and comics to indicate that a person has had a bright idea.
Etymology from Wiktionary, CC BY-SA 4.0.