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Noun: wise guy  wIz gI
Usage: informal
  1. A male upstart who makes conceited, sardonic, insolent comments
    "The wise guy's constant sarcastic remarks irritated his colleagues"

Derived forms: wise guys

Type of: adult male, bozo [N. Amer, informal], cat [N. Amer, informal], chappie [Brit, informal], geezer [Brit, informal], guy [informal], hombre [N. Amer, informal], man, smart alec [informal], smart aleck [informal], sod [informal], weisenheimer [US, informal], wiseacre, wisenheimer [US, informal]

Encyclopedia: Wise guy