The story
* From bubble + head. * (diver): Inspired by the shape of the old spun-copper diving helmet.
Etymology from Wiktionary, CC BY-SA 4.0.
bubblehead
Today it means: A stupid person; someone who is empty-headed or oblivious. Full definition →
Today it means: A stupid person; someone who is empty-headed or oblivious. Full definition →
* From bubble + head. * (diver): Inspired by the shape of the old spun-copper diving helmet.
Etymology from Wiktionary, CC BY-SA 4.0.