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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.
por Assholes Inc. 05 de Setembro de 2003
15213 2315
 
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.
por alex 20 de Dezembro de 2003
3523 1464
 
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
por Endless Shadow 20 de Dezembro de 2003
2317 825
 
4.
half the people writing these definitions
gellin means your not cool
por Seth 08 de Julho de 2003
1870 765
 
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.
por dumbass 17 de Setembro de 2003
1437 522
 
6.
see george w bush

A person who lacks intelligence
a moron, once again see george bush
por n333m 12 de Novembro de 2004
1012 607
 
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!
por Legato Bluesummers 04 de Novembro de 2003
827 457