birdbrain

/ˈbɜrdˌbreɪn/
noun
  1. A person who is silly, stupid, or not very intelligent.
    • Don't be such a birdbrain — you left your keys in the door again.
    • Only a birdbrain would try to fix a leaky pipe without turning off the water first.
    • He called me a birdbrain for forgetting the meeting time.
Antonyms
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