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Noun: nincompoop  'nin-kum,poop
Usage: informal
  1. A stupid foolish person
    "blathering like the nincompoop that you are";
    - poop [N. Amer, informal], ninny [informal], mutt [informal], silly billy [Brit, informal], tit [Brit, informal], ning-nong [Austral, NZ, informal], plonker [Brit, informal], nong [Austral, NZ, informal]

Derived forms: nincompoops

Type of: simple [archaic], simpleton

Encyclopedia: Nincompoop