bubblehead

See also: bubble-head

English

Etymology

bubble +‎ head

Pronunciation

• Audio (AU)

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Noun

bubblehead (plural bubbleheads)

1. (slang) A stupid person.
   • 2004, David Mitchell, Cloud Atlas, London: Hodder and Stoughton, →ISBN:

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

2. (slang) A submariner; bubble-head.
3. (slang) A navy hard hat or salvage diver (inspired by the shape of the old spun-copper diving helmet).

Synonyms

• (stupid person): airhead