Dumbassador 

A combination of the words dumbass and ambassador.
Refers to people that speak, act or behave in such a moronic manner, that one might think they were to represent all stupid morons in this world.

this guy is really stupid. i think he's a dumbassador.

Dumbassador by Turd54ndw1ch November 20, 2009

Dumbassedness 

This is the condition some people have, who are ignornat beyond what should be allowed by law.

So many times we let other peoples dumbassedness rule our happiness.

Dumbassedness by CrystalF March 31, 2010

dumbard 

a dumb or stupid person. an idiot.

Mike needs to go back to school or else he'll be a dumbard his whole life...

dumbard by Nikolai Varchenko March 31, 2008

dumbassery

multiple acts of being a dumbass
the act of being a dumbass

1. dude theres no need for that dumbassery
2. the guys on jackass commit dumbassery

dumbassery by kirigashiran June 14, 2010

dumbasd 

When you’re calling someone a dumbass in a text and misspell it so now you yourself are the dumbass

Me: Bitch stfu you’re such a dumbasd
Friend:says the one who can’t spell dumbass

dumbasd by Bacon4hoggs January 27, 2018

Dumbarse 

Standard British slang meaning someone who is dumb, stupid, annoying, similar to the dumbarse American dumbass.

This is a dumbarse site.
My headmaster is a dumbarse.
The American's have such dumbarsed slang.

Dumbarse by mkk December 28, 2005

Dumbassery

The actual actions of a dumbass

"You and your dumbassery almost got us killed!"

Dumbassery by Jevin June 19, 2003