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64.
an extreme of something, can be used as an adjective.
That fool is dumbass high

There were dumbass RDB' s at that party last night.
by george tedbetter July 23, 2006
 
1.
Someone who looks up the word "dumbass" in a dictionary.
If you don't know what a dumbass is you're really a fucking dumbass.
by Assholes Inc. September 05, 2003
 
2.
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
 
3.
A great word that is used by Red Foreman from the 70's show on FOX.
Red Foreman: Kitty that foriegn kid is a dumbass
by Endless Shadow December 20, 2003
 
4.
half the people writing these definitions
gellin means your not cool
by Seth July 08, 2003
 
5.
A person is both stupid (e.g. dumb) while also stubbornly refusing to stop being stupid when asked (e.g. ass)
I couldn't teach him how to use the paintball gun because he was running around with it between his legs like a dumbass.
by dumbass September 17, 2003
 
6.
see george w bush

A person who lacks intelligence
a moron, once again see george bush
by n333m November 12, 2004
 
7.
1. A person of ignorance or arrogance
2. The KKK
3. A person who thinks they know something and refuses to accept the truth of their knowledge
You are a fuckin dumbass!
by Legato Bluesummers November 04, 2003