Definition of mouth-breather in English:

mouth-breather

Line breaks: mouth-breather

noun

informal
  • A stupid person.
    More example sentences
    • Meanwhile, down in the sewer, the mouth-breathers are already calling for them to be prosecuted for terrorism.
    • I was almost trampled by a herd of mouth-breathers, apparently in the grip of some kind of snack frenzy!
    • Forget all the mouth breathers in the audience, how do I feel about the record.

Derivatives

mouth-breathing

adjective

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