dumba 

Noun: Someone with such extremely low intelligence that they are no longer dumb, they are dumba. The plural dumba dumba. Derived from dumb.

For directions it's Tom Tom, not Dumba Dumba.

dumba by A_shley July 10, 2006

Dumba 

du-ma: (n.) Used to refer to someone who would be considered dumb.

Dumba, you can't play smash on a deck of cards.

Dumba by JoeyPeluka May 1, 2019

Dumba 

A cool person (male) from Nepal who is simple, down to earth, funny, always willing to help, respect others, exercise daily but is less intelligent and has no or minimal academic credentials

My car died in the road today and a Dumba at a gas station in Texas helped me get back to the road in 15 minutes.

Dumba by tony_dumba August 1, 2022

Dumba Weed 

The Ancient african healing weed only found at the drug dealers on piquette ave and brush st in Detroit Michigan. Or in Africa. Also makes you hallucinate Extremly. So much that it gets to the ponint that some people have reported looking at a pillow and seeing "pillow pants". Also sees many childhood memorys like action figures in real life. Barbara Bush

Hey yo niggam you hear that dave chappelle went ova to Africa to got find some mouthfuking dumba weed. That shit is wack.

Dumba Weed by pablo wetback August 29, 2006

Dumba-ing/Dumba-d 

Dumba-ing is when you score a game winning goal in overtime with less that 0.3 on the clock. Dumba-ing got its name after a great commentary job from Peter Fifoot on the YouTube channel The Puck Drops Here.

“BACKHANDER! DUMBA! SCORES! SCORES! SCORES! THEY BEAT THE CLOCK! THEY BEAT IT! THEY BEAT THE BUZZER! THE WILD WIN!
This is the originally commentary quote that gave the term “Dumba-ing/Dumba-d”

Dumba-ing/Dumba-d by Trent Sta11 June 3, 2024

humba dumba lagungus 

any overweight or idiotic being

“Jason is such a humba dumba lagungus.” “How can you tell?” “Just look at him.”

humba dumba lagungus by herepesfree July 23, 2023

Urban Dictionary Dumbass 

Someone who writes Urban Dictionary definitions about themselves, or people who they know, but who are not famous. Esp. when those definition is "*insert name here* is very cool and attractive."

Person 1: Hey! Jeremiah defined himself on Urban Dictionary!
Person 2: What an Urban Dictionary Dumbass...

Urban Dictionary Dumbass by Snowskeeper February 25, 2013