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Noun: dumbass  'dúm,as
Usage: N. Amer
  1. A stupid person; used to express a low opinion of someone's intelligence
    - dunce, dunderhead, numskull, blockhead, bonehead, lunkhead [N. Amer], hammerhead, knucklehead, loggerhead [archaic], muttonhead, lamebrain, pea brain, chowderhead [N. Amer], bubblehead, numbskull, twonk [Brit], lunk [N. Amer]

Derived forms: dumbasses

Type of: dolt, dullard, poor fish, pudden-head [US], pudding head, stupe, stupid, stupid person

Encyclopedia: Dumbass