Meanings
plural bubbleheads
- slangA stupid person; someone who is empty-headed or oblivious.
I rather enjoyed it, but my niece said Audrey Hepburn was a “bubblehead”.
2004, David Mitchell, Cloud Atlas, London: Sceptre (Hodder and Stoughton), →ISBNSynonyms: airhead
- slangA submariner; bubble-head.
Synonyms & antonyms
nounA stupid person; someone who is empty-headed or oblivious.
Origin
* From bubble + head. * (diver): Inspired by the shape of the old spun-copper diving helmet.
Full word history & related roots →Cite this entry
bubblehead. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/bubblehead
“bubblehead.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/bubblehead. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “bubblehead,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/bubblehead.
Source: bubblehead on Wiktionary, CC BY-SA 4.0.