dumboat 

When in a crowd you are surrounded by idiots.

Tim: these people are just stupid

Wyatt: Dumboat!

dumboat by THezebra@!124 May 17, 2010

dumbotronic 

when something is so dumb it needs to be emphasized

Katie: Hey guys, I saw a license plate that said "Oklahoma is OK!"

George: Man, you're dumbotronic

dumbotronic by Ymauerq March 15, 2008

dumbmatter 

the goat who made the amazing basketball game, BBGM

Person A: dumbmatter is the goat
Person B: Yeah I agree

dumbmatter by Fire Brett Brown June 22, 2020

dumbwat 

A dumb person. Basically the word that you would say in front of an adult instead of saying "dumbass".

Logan Chin you're a dumbwat!

dumbwat by Friend of Logan Chin December 19, 2016

Dumbotron 

Someone who is very dumb and/or has made a very dumb decision. Usually an exaggerated expression.

You're such a dumbotron, why would you take that shot?

Dumbotron by Andre2698 September 18, 2017

dumbgat 

1) A gun with a silencer on it.
2) A stolen or unregistered gun.

We're gonna need two dumbgats to get the job done.

dumbgat by turntablist May 18, 2006

Dumbcat 

When Mike Vick runs the Wildcat offense.

Yo, the Eagles are running the Wildcat with Mike Vick.

Yeah, they call it the Dumbcat.

Dumbcat by eatmorchickn October 26, 2009