From Longman Dictionary of Contemporary Englishwise guywise guyinformal especially American EnglishANNOY an annoying person who thinks they know more than they really do OK, wise guy, shut up and listen! → wise
Examples from the Corpus
wise guy• But you better deliver the goods, wise guy.• He grabbed dance by the arm and led it into the world of city rhythms, wise guys and lovers.• All right wise guy, I don't need to hear any more jokes out of you!• But to be honest, I like to see a little bit of a wise guy in my coaches.• Which just leaves De Niro, whose charismatic wise guy routine is disappointingly adequate and no more. 