dumbass 

Someone who is not only dumb, but an ass.

"Frank, you stupid son of a bitch, you're a dumbass."

dumbass by David December 3, 2003

dumbass 

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!

dumbass by Legato Bluesummers November 4, 2003

Dumbass 

Anybody that puts any information about themselves or anybody they know on UrbanDictionary.com that nobody cares about or will ever take the time out of their day to look up. These people have way to much spare time and basically polluting a great website.

I take time out of my day to edit good definitions, NOT A BUNCH OF BULLSHIT SOMEBODY WILL NEVER READ! I HATE DUMBASSES!

Dumbass by .....Unknown..... March 4, 2009

dumbass 

Something people call me just because i have a Low IQ. i take this term seriously and i dont think its funny. It's another word for a stupid person or someone who is no good at anything. Its an insult.

I was in special ed. Some kids call me dumbass but I just have a low IQ.

dumbass by Michael Rehmeyer December 26, 2007

dumbass 

A kid with a mullet or that are just so fucking stupid that they cant think for themselves and they give into the saying "do it it your cool"

Ryan your mullet was moving so much that you looked like a fucking dumbass

dumbass by Nick Mariano December 15, 2008

dumbass 

a person who acts like a morron and makes people laugh and does not realise that the people r laughing at them not with them

look at that kid what a dumbass

dumbass by roya January 27, 2004

dumbass 

An AOL user.

That AOL user is the biggest dumbass I've ever talked to.

dumbass by Ian -- I'm better than you. September 13, 2003