Dumbnastics 

A sport of who can be the most stressfully stupid.

What is it, the dumbnastics in here?

Dumbnastics by Doe Peep May 16, 2022

dumbtastic 

Adjective.

Describes a person acting so tremendously dumb that the act is simply fantastic to the observer.

Did you hear about the dumbtastic man crossing the street, so consumed with staring at a beautiful model, he nearly got hit by a bus?

dumbtastic by Mark D. Drapeau December 9, 2008

Dumbastics 

The actions of a dumbass.

Quit your dumbastics kirk.

Dumbastics by warrior99 October 11, 2009