Dumbassitree 

When someone is being dumb and is a huge ass you can call them Dumbassitree behind their back.
Used for VERY dumb people.

God Jimbo Bimbo is such a Dumbassitree.
The students will clean up this cesspool of Dumbassitree people.

Dumbassitree by anonymous October 22, 2020

Dumbassitude 

The act of being a dumbass and getting an attitude when someone tells you that you are being a dumbass

Man my friend had a bad case of Dumbassitude after I told him to stop being a dumbass and trying to dump his girl

Dumbassitude by TinShells December 4, 2016

dumbassitude 

The state of being dumbed down, unconsciously and through inaction, by an external societal force, such as conformity, the media, or the government. Used by legendary hiphop artist Chuck D when he lectured at Saint Joseph's University.

"What we are facing today is the dumbassitude of the American people . . . can I say 'dumbassitude'?"
- Chuck D, Saint Joseph's University 2/11/03

dumbassitude by Illitariat February 12, 2004

Dumbassitry 

pronounced: (DUMB-ASS-uhh-tree). VERB. A synonym for the word shenanigans. The act of committing shenanigans is the same as dumbassitry. Another word for the random stupid things people do for fun.

Brad and his friends are pulling their usual dumbassitry by running around without clothes or simply ripping paint off walls.

Dumbassitry by Tark NE1 January 24, 2014