A dumbass who thinks hes smart.
Thomas: Damn, im hungry.
Jeffrie: Actually your not hungry, your brain thinks your hungry because of pressure in the atmoshere. So your wrong and im right. Also its "I Am" hungry not im hungry.
Thomas: Stop being a smartass.
by Hello?itsme March 11, 2017

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A person that always says the most witty comebacks ever. They seize the moment with humorous insults. Smartasses usually speak Fluent sarcasm
Smart ads: your so stupid you tried to put M&MS In alphabetical order
You: ......
Smatass: the only reason I'm such a smartass is cause your such a dumbss
by Eden953 June 26, 2015

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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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A person that always says the most witty comebacks ever. They seize the moment with humorous insults. Smartasses usually speak Fluent sarcasm
Smart ads: your so stupid you tried to put M&MS In alphabetical order
You: ......
Smatass: the only reason I'm such a smartass is cause your such a dumbss
by Eden953 June 26, 2015

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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Someone Who This They Know EVERYTHING
There are a lot of smart ass in this class
by Ms.Big Botty December 20, 2014

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Mr Scally, that is the definition of a smartass. An unfunny, dick that thinks he can teach a class when he can't even stop his cancerous book collection and stop making his girls look like they have cancer. He is a total fucking asshole and all of the year something's agree with me, even the teachers. Fuck you Mr Scally, you're a dick.
Guess who's a dick?
Mr Scally, the smartass?
You're fucking CORRECT!
by somekidatschool August 14, 2013

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The original meaning of a smart ass in common terminalogy is a person who "thinks they know" how to do or what to do and tries to inject their opinion or effort "thinking they know better, when they really don't.

A dumbass is a person who "doesn't know" how to do or what to do and tries to either inject their opinion or effort not knowing what they are doing.

Don't believe me as someone who has true intellect that is older then 80yrs and they can tell you I am speaking what they learned. I was young and asked many people who all were my grandparents age, I am 39 currently and I am said to have an old soul however that is a phrase for wisdom beyond my years. Meaning I collected knowledge form people quite q bit older to have an understanding of the true definition of words we have since lost our foundation and it would be nice to get it back or retain what little we still have here in the USA
Jeff gets a prefab item that looks simple to put together, the instructions are in the box, he puts it together before reading the instructions and has left over pieces, he doen't know where they go.

(when all else fails read the instructions Smartass)

Phil gets the same prefab item and instuctions, he reads the instructions and doesn't understand what the instrucions are saying and still tries to put it together and has the same left over pieces.

(when all else fails and the instructions are beyond your grasp ask for help Dumbass)

Jerry gets the same prefab item and instructions and follows the directions, he has no left over pieces when it is completed. He comments on Phil as a Smartass and Jeff as a Dumbass and says your both stupid. Therefore he is a Wiseass and a Jackass for the uncalled for commentary, with the smartaleck remarks.
by Grandpa Jones March 16, 2011

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Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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