Definition of wise guy in English:

wise guy

noun

informal
  • 1North American A person who makes sarcastic or cheeky remarks to demonstrate their cleverness.

    ‘four years ago the wise guys, the pundits, and the pollsters were all ready to write the president off’
    • ‘Some wise guy had a tape measure with him and took a reading.’
    • ‘Well alright mister wise guy, if you're so clever you tell us what colour it should be!’
    • ‘He was no wise guy or rebel, but rather was on his best behavior, knowing that his commercial future and fame were on the line, and that he would need to appeal to an older demographic with the passing of time.’
    • ‘Well, I have felt he's been a wise guy for some time and it certainly appears he's being that way now with his interlocutors.’
    • ‘He continued to play numerous characters alternating between lead and supporting roles in various comedy flicks usually seen as a loveable slob, a bumbling schemer or an overbearing wise guy.’
  • 2US A member of the Mafia.

    ‘he was the boss of the biggest crime family in the country—300 wise guys’
    • ‘Could be any inner-city gang member or wise guy.’
    • ‘His mob family is undergoing an anarchic growth spurt, as wise guys jailed in the 1980s are suddenly free to get back in the game.’
    • ‘In my mind, I pictured him to be a little Italian wise guy, like the mafia hit man that's always the squealer on someone in those old movies.’
    • ‘Jimmy is an ex-con and small-time wise guy running a grocery business.’
    • ‘While other kids were flipping burgers, he was hiring himself out to local wise guys as muscle or masterminding his own bizarre capers.’

Pronunciation

wise guy