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

Dumbassary 

The level or extent of being a Dumb Ass

Congress is teeming with dumbassary.

Dumbassary by Sklnxbones October 1, 2013

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

dumbassery

multiple acts of being a dumbass
the act of being a dumbass

1. dude theres no need for that dumbassery
2. the guys on jackass commit dumbassery

dumbassery by kirigashiran June 14, 2010

DumbAssItis 

a viral infection of the brain which will never completely go away and appears randomly throught ones life

commonly referred to as DAI

The Presidential elections clearly defined even our countries leaders suffer from DumbAssItis.

DumbAssItis by michael February 26, 2005

Dumbassery

The actual actions of a dumbass

"You and your dumbassery almost got us killed!"

Dumbassery by Jevin June 19, 2003

dumbassity 

Actions of a dumb ass nature.

Ian's dumbassity of swearing around the teachers got us all screwed.

dumbassity by hbfir December 28, 2005