dumbstruck 

ˈdʌmstrʌk adjective

Made silent by astonishment, astounded, stunned .

So shocked or surprised as to be unable to speak.

he was dumbstruck with terror

dumbstruck by harolola May 2, 2010

Dumpstart 

The act of taking a truly excellent and gratifying morning dump so that you can start the day off on the right foot.

Those burritos and beers last night gave me a great dumpstart to my day.

Dumpstart by zyxt March 28, 2009

cum-dumbster 

a girl who is especially dense or dumb whose main function is as a receptacle for cum; a girl who often gets unknowingly used for sexual purposes

Your ex-girlfriend Denise is a total cum-dumbster!

cum-dumbster by absolutely August 3, 2007

dumbsmart 

when a person who is usually not smart or makes dumb decisions happens to do something that everyone assumes is stupid, somehow pays off or is very successful at the end

rev. smartdumb

yo J just found a bag of $5000 cash. He bout to take it to the police station.

3 days later.....

yo J returned the money and the owner let him keep it and gave him an extra $5000.

dumbsmart

dumbsmart by icemasta11 August 4, 2009

dumbtard

1. (n) a dumb person that lacks a physical mental handicap. Their retardation is their own fault
2. (n) a stupid fuckin' retard

"Bush is a fucking dumbtard with no ball sack."

dumbtard by jared h April 17, 2006

dumbstorming 

The opposite of brainstorming/Coming up with idiotic ideas in serious, stressful situations. It can also be used in the form of a verb (to dumbstorm).

Peter's dumbstorming led to the idea of adding red wine to the stain on Joe's priceless white shirt.

dumbstorming by Christian Wolff June 20, 2017

dumbtard

used in lieu of dumbfuck or fucktard, should you find yourself in a situation where dropping the F-bomb is a bad idea (i.e. a public place with young children and their aggressively conservative parents around)

I wanted to tell John what a fucktarded asshole he was being in the supermarket, but after noticing the soccer moms' death-glares, i settled for 'dumbtarded a-hole'.

dumbtard by Scienatrix April 22, 2010