Dumbass 

A donkey or mule who cannot read,write, or understand quantum physics

“Get a load of this dumbass” “you’re no better dumbass”

Dumbass by LuuThaBootyAnnihilator July 6, 2022

Dumbass 

Dumb-ass is a definition of a stupid person who does stupid shit the life span of one is 10 to 15 years of age

Trent was a dumbass

Dumbass by Joebamna February 28, 2023

Coach dumbass 

Coach dumbass is the coach that loves to do shit like bang his head in walls and forget to start the clock for practice. Often sets himself up to be the butt of the joke.

Man coach dumbass is really on one today:

Coach dumbass by Dsanchez August 18, 2018

Deadass dumbass 

Seriously and insanely retarded

Boy, you Deadass dumbass! How did you forget the blow.

Deadass dumbass by Clapped furry October 19, 2018

thundering dumbass

A noun used to describe a person who rushes into abnormally stupid activities or situations he/she has no cause to be in or ability to successfully negotiate. i.e. one who "thunders" into stupid shit like a dumbass, hence the term. Usually reserved for those who are dumbasses to such a high degree / perform acts of dumbassery on such a regular basis, they require their own classification.

Al: "I'm going to go fight in a martial arts tournament on Tuesday."
Sal: "Dude, you've never taken martial arts before. You'll get your ass kicked. Why are you always looking for a fight?"
Al: "Nah man I'll fuck up anybody who tries that Judo shit on me"
Sal: "Stop being a thundering dumbass. Just have some drinks with the boys instead."
Al: *proceeds to get his ass kicked on Tuesday*

thundering dumbass by the bad Ag February 21, 2019

Henry Dumbass 

The consummate dullard, surpassing Alexander and lesser Dumbasses.

Then the contestant, reacting to the audience's laughter after she identified the author of The Three Musketeers as "Alexander Dumbass", said, "No...wait... Henry Dumbass!" -- from the Pardon My Blooper album, 1957.

Henry Dumbass by Zappin' Nap March 31, 2020

Urban Dumbass 

An Urban Dumbass is a staff member at urbandictionary.com who cancels your submission before it even reaches the editors. This person is often a huge douchebag who rejects your defenition just because his dumbass doesn't understand It. He will let completely lame trash pass as a definition, just because he understands the It, yet he'll cancel good and useful defenitions that don't break the rules.

Note: The Urban Dumbass should not be mistaken for the Urban dick

Guy 1: Hey did the definition get passed, man?
Guy 2: No, the Urban Dumbass rejected It cuz he didn't understand It.

Urban Dumbass by UglyFatBoy98 May 29, 2020