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

Derived forms: silly billies

Type of: simple [archaic], simpleton

Encyclopedia: Silly billy