wise guy

noun
Informal. a cocksure, conceited, and often insolent person; smart aleck: He has a reputation for being a wise guy.
Also called wiseacre.


Origin:
1895–1900, Americanism

wise-guy, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
wise guy
 
n
1.  informal a person who is given to making conceited, sardonic, or insolent comments
2.  (US) a member of the Mafia

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Slang Dictionary

wise guy definition


  1. n.
    a foolish person; a smart aleck. (See also smart guy. Also a term of address.) : Look, wise guy, mind your own business!
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw-Hill Education.
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American Heritage
Idioms & Phrases

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.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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Example sentences
At forty he still has something of the smirking manner of the high school wise guy.
As though only a total outsider, or fool, or wise guy would apply such workaday logic to the briefing process.
Being a wise guy may not always be compatible with campaigning for public office.
Some wise guy had a tape measure with him and took a reading.
Idioms & Phrases
Synonyms
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