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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–noun, plural -ties. duhm-ās-is-i-tee
the quality, relative degree, or specific degree of being a dumbass.
Everything that that fool talks about has so much dumbassicity.
by Burbank Stephens November 17, 2008
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Ian's dumbassity of swearing around the teachers got us all screwed.
by hbfir December 23, 2005
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stupid people doing stupid things and/or saying stupid shit.
Person #1 :Eh yo, eggs are that dairy pro-duct right? So Cows must make eggs.

Person #2: Dude, thanks some deep shit.

Person #3: Oh Jesus, you guys are dumbasses.

-actual quote from someone i knew.
by u2ez BlackOps April 14, 2010
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1. One who makes extremly poor decisions usually ending with sever punishment.
2. One with Severe lack of judgement in any field, and under any circumstance
by MXG 52 April 19, 2006
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