A person who, by means of purpsose or not, uses sarcasm to have a laugh. A person who, on a regular bases, annoys the hell out of people with their sarcastic-attitude.
You are in a chat:
CrazyChick: Hello room.
You: Why the fuck are you talking to a room.. There are perfectly good people here.
CrazayChick: Fuck you man Damn smartass.
by SiLeNtAdDiCt March 1, 2004
Someone who enjoys giving flippant, sarcastic and/or rude answers to legitimate questions; also someone who enjoys being sarcastic and rude in general. See also: wise-ass, smart-aleck, etc.
Random person: Why is this forum so slow?
Smartass: Cause you came in... we made it that way to annoy you. (hyuk, hyuk)
by Slashco June 13, 2004
Someone who constantly posts real definitions on Urban Dictionary
ShadowHawk looks like a smartass.
by angrynerd September 3, 2012
A mule/donkey of unusual intelligence
that's one smartass you got there
my smartass died
im gonna beat your smart ass
by anotherguy November 11, 2003
a person who persistanly uses sarcasm as a means of communication.
"Leanne is so funny, she's just a big smartass"
by Leanne March 20, 2003
A person who just has to make everything make sense. Speaking of which, smartass is a oxymoron because an ass is a stupid person so smartass means "smart stupid person".
(not exactly the opposite of dumbass because a dumbass really is an idiot but a smartass isnt neccessarily a genius)
I guess this definition makes me a smartass
by whatserface November 4, 2007
being serious 1% of the time
god Christys a smartass, she's only serious 1% of the time!!
by vmk82 January 10, 2011