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Noun: doofus  doo-fus
Usage: N. Amer
  1. A stupid incompetent person
    - dimwit, nitwit, half-wit, yo-yo [N. Amer], noodle, simp [N. Amer], dufus [N. Amer]

Derived forms: doofuses

Type of: simple, simpleton

Encyclopedia: Doofus