dumbassy 

When a dumbass does things that only a dumbass would do.

What the hell is Piggy doing? GOD!!! He's being so dumbassy!

dumbassy by Hearns101 June 16, 2008

dumbassy 

When someone is acting in a way only a dumbass would act.

Markios spots Piggy licking his privates and Markios says "PIGGY!!! STOP BEING SO DUMBASSY!!!"

dumbassy by Hearns;) June 17, 2008

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

dumbass people 

People whom do not have any common sense what so ever and continuously do stupid things over and over and over again never learning from their mistakes.

human beings are dumbass people.

dumbass people by sfol November 2, 2013