An annoying asshole who attempts to use sarcasm every chance that he/she gets.
Smartasses get on my nerves.
by SuperSonicX September 16, 2006
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someone who tries to pick holes in your logic.

these people have no lives, all they care about is looking smarter than others because they think it makes them superior.
Simon: "i suggest you come with a better solution next time because according to the theory of relativity you must be wrong."

John: "go fuck yourself, you smartass"
by Daniel Spencer January 29, 2009
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a person that thinks they are really smart with cometes to everything
smartass maddi
by sharks28 October 26, 2016
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Somebody who defines words like retard, dumbass, or idiot in the urban dictonary as "somebody who looks up ____ in the urban dictonary"
I am a smartass writing the same dumbass joke on the urband dictionary!!
by Big LJ August 13, 2006
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One who is smart, types regularly with decent spelling and grammar online, and doesn't think school is something that should not have existed.
me = smartass.
by dj gs68 July 24, 2003
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Someone who tries to add an insult to the end of every sentence in the hope that people find him funny.
P: "You're a smartass"
R: "No, I'm not, you fucking retard!!!!!!!"
P: "QED"
by plasmafury March 28, 2010
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It is difficult for smartasses to live in this crime-prone area.
by uttam maharjan November 18, 2011
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