Stupididity

The thought or idea behind an act of stupididedness.
Refer to stupididedness for more information.

I can not believe the depth of your stupididity, milk goes in the fridge not the laundry r-tard.

Stupididness

Used to describe something that was obviously conceived of some irrational thought.

That book is full of stupididness. Whoever wrote this pile was full of Austininity.