dumbass - noun/adj.

1.) a stupid person
2.) a stupid descison
3.) george bush.
related to idiot
Tom, you're such a dumbass.

Tom, that was a dumbass descision.
by alex December 20, 2003
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1. someone that is stupid
2. someone who spells out street talk so they think they sound cool
3. someone who thinks that they have it worse than everyone else
That guy is a dumbass.
The person whoe wrote, "I'm in da hizzouse 4 realz mo fo." is a dumbass.
The girl who is bitching about everything is a dumbass.
by j February 28, 2005
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Someone who somehow gets a lot of girls but is stupid as fuck. A dumbass is someone who usually plays hookie, skips school, doesn't pay attention in class. The funny thing about dumbasses is that they think there cool because every one is laughing, but the truth is every one is laughing AT them not with him.
Classmate: Wow Mike do you know anything?

Dumbass: *Laughs*

Classmate: Seriously...
by Sevenfold4life May 20, 2008
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When one's ass is dumb, acting dumb, or is absent of a brain. To anyone with a ass absent of a brain, get in touch with your doctor for a transplant.
Guy 1: Man, you have a dumbass
Guy 2: Hey, just because my ass gets worse grades than your ass does not make it dumb!

Guy 2's ass: I love Dream so much!
Guy 2: Damn it my ass is a dumbass.
by Dankali November 30, 2021
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Most people driving on the road in front of me,behind me and beside me!These people can be spotted immediately while driving a car they are the ones who are on interstate and highways everywhere driving in the left lane and right lane simultaneously going 30 mph backing up traffic and pissing me off! They also are the people who drive for ten miles with teir fucking turn signal on, letting me further know that they are fucking geniuses! And these people also like too turn by slamming there brakes on with no proper turn signal on causing me too sream out the window YOU FUCKING DUMBASS, while they always turn around and look at you as if they have done nothing wrong,DUMBASSES!They also like too pull out in front of you narrowly avoiding from causing a severe accident and you usually need a front end alignment and a brake job after this fucking retards dumbass driving!!!THESE PEOPLE NEVER EVER HAVE ANY FUCKING INSURANCE EITHER! And if you have a brand new car they are always going too be attracted to it,these people are the same people at grocery stores and retail stores that let their kids run around like little wild monkeys and play with toys on your car,scatching the paint and open their car doors, because they cant park worth a shit, and slamming their door into your parked car door denting the shit out of it, and saying absolutely nothing,because they are trash and do not deserve too breathe oxygen!They also like to slam buggys into your car or let their children, that they have no control over slam the buggy into your car! And these people have there ass handed too them when I see them!
In DUMBASS REHABILITATION: Jasmine stated " Hi, my name is Jasmine and i am trash and a dumbass who is on welfare,and i cant respect other peoples property, and i do not know how to drive, or contain my 9 kids who are little bastards!
by Shannon September 12, 2004
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1.a person who does something stupid.
2.a pet name for your stupid buddies.
4.a person who does not know the meaning of dumbass.
1. guy 1: that dumbass jumped off the cliff.
guy 2: well, at least he's not a pussy.
guy 1: you're a pussy.

2. how the hell are ya, dumbass?!

3. by sitting and reading this, you have confirmed you are a dumbass.
by Dumbass Larry November 22, 2007
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