Bubblehead

noun, slang

noun, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    A stupid person. slang

    "I rather enjoyed it, but my niece said Audrey Hepburn was a “bubblehead”."

  2. 2
    A submariner; bubble-head. slang
  3. 3
    A navy hard hat or salvage diver. slang

Example

More examples

"I rather enjoyed it, but my niece said Audrey Hepburn was a “bubblehead”."

Etymology

* From bubble + head. * (diver): Inspired by the shape of the old spun-copper diving helmet.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.