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Interjection: gidday
Usage: NZ, informal
  1. Used as a greeting
    "It's perfectly all right to say 'Gidday, mate' to a complete stranger";
    - aloha [US, informal], g'day [Austral, informal], greetings, hi [informal], hello, hiya [informal], hallo, hullo, hey [informal], howdy [informal], howzit [S.Africa, informal], yo [informal], wotcha [Brit, informal], wotcher [Brit, informal]

Encyclopedia: Gidday