wise guy

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wise guy

1. One who is sarcastic or makes jokes in an attempt to seem witty, usually to others' annoyance; a smart aleck. Joe is such a wise guy that it's hard to know when he's being serious. Every class seems to have one disruptive wise guy.
2. A mobster. I wouldn't bother those shady characters sitting in the corner booth—they're all wise guys.
See also: guy, wise

wise guy

An obnoxious know-it-all, a person who makes sarcastic or annoying remarks, as in the teacher was delighted that the worst wise guy in the class was moving out of town. [Slang; second half of 1800s] Also see smart aleck.
See also: guy, wise

wise guy

n. a foolish person; a smart aleck. (see also smart guy. Also a term of address.) Look, wise guy, mind your own business!
See also: guy, wise