Dumbus 

A dumbus is a person who is simply very dumb and idiotic

Almost the same as a dimbus but worse

Person #1 Hey look at that hole in the pavement!

Person #2 I'd be careful around that
Person #1 But it looks cooollll we should go in it
Person #2 No you dumbus shut up and keep walking

Person #1 Ugh fine you stick in the mud

Dumbus by Cutie Queen June 13, 2017

Dumbus 

Used when someones being a dumbass but you dont care enough to say or type it

You're such a dumbus Bob give me the dog back

Dumbus by Uno_Bruno October 23, 2022

Dumbus waggler 

Someone who's being a dumbus

Stop being a dumbus waggler Todd

Dumbus waggler by Uno_Bruno October 23, 2022

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

Professional Dumbass

Someone who does stupid shit so often, they somehow become proficient at doing it well

Stan is a professional dumbass, he keeps getting himself out of stupid situations

Professional Dumbass by Garlic S August 25, 2020

Dumbassness 

A non communicable disease that tends to affect young adults but may be noticed in older individuals who continue to be carriers for many years to come.

It was out of sheer dumbassness that he opted to get drunk and get into an arguement with a cop...

Dumbassness by nachomama April 17, 2012

dumbass dad 

When ur dad is a asshole who is emptyheaded and has now real brains but acts like he knows about anything

I have a dumbass dad i think just knowing him makes me stupid

dumbass dad by .Pyro. March 1, 2018