Stupic 

someone who writes inane ramblings on an internet messageboard

Speter makes no sense when he posts, he's stupic.

Stupic by speter33 February 16, 2008

Stupidous 

One who knows how stupid they are and still continue to act stupid hence the ous at the end.

Deidre is stupidous.

Stupidous by Maureen Githura September 25, 2008

stupification 

the act of dumbing down on purpose. to make someone stupid.

watching sponge bob square pants is a form of stupification in american media.

stupification by whozfree October 25, 2007

stopid 

a word used instead of saying stupid

he is sooo stopid
how stopid

stopid by imkoolerthenu January 23, 2005

stoupid 

somebody who has a lower capacity than sombody who is stupid

wow that bitch was Stoupid!

stoupid by don Juan August 28, 2004

Stupidity of the Masses 

People who add words to the dictionary such as 'Stupidity of the Masses'.

The Stupidity of the Masses is killing me. Literally.

Stupidity of the Masses by Mystery Man January 28, 2003

Irreducible Stupidity 

1. Any person or crackpot idea that is outright retarded, misleading, or completely illogical beyond all reason.
2. Something that cannot get any stupider than it currently is.
3. Bullshit that can't be broken down into simper forms of complex absurdity.

For example, pseudoscience.

"Intelligent Design fits the criteria of pseudoscience perfectly because it completely lacks any genuine science and its adherents operate solely on making baseless assertions and speculation. Its ideas cannot be falsified through the scientific method because it deliberately fails to produce valid, testable data to confirm its claims. Irreducible complexity is indeed irreducible stupidity at its finest. Intelligent Design is unworthy to be taught in public schools because it has literally nothing to offer."

"Creationism is a joke. It appeals only to the weak-minded and is simply an intellectually lazy excuse to be willfully ignorant of real empirical science. The irreducible stupidity of creationism and its advocates is simply unfathomable."

"That dumbass thinks the world is 6,000 years old and that dinosaurs once lived together with humans. He is so irreducibly stupid. Did he purposely fail high school biology, or did he get his so-called "facts" from a church? He is such a n00b."

"Anyone who can stare directly in the face of evidence for evolution and still have the audacity to ignore it has to be willfully uneducated—more accurately, irreducibly stupid."

"Nuff said.

Irreducible Stupidity by EvolvedExpert May 12, 2011