stupidestrian 

Someone who walks in front of a moving vehicle. (see also Stupedestrian)

Sarah walked out into the road without looking, she's such a stupidestrian. (see also Stupedestrian)

stupidestrian by Sarah Anderson March 9, 2008

stupidentally 

Occurring unexpectedly or unintentionally after doing something so stupid, careless or negligent that it should have been obvious that you would run into trouble.

The officer stupidentally shot three other officers while trying to stop a pit bull that was attacking them.

stupidentally by JP Burke September 8, 2008

stupiderer 

more stupid than something

you are stupiderer than him

you are more stupid than him

stupiderer by scott walton November 27, 2006

stupidenous 

1. Of or relating to an extreme state of awesomeness.
2. Variation of stupendous.
3. Able to achieve or maintain an enviable feat or state of being which borders on idiotic while remaining awesome.
4. The alopecic state of extraordinarily long bipedal locomotion appendages.

"Steve that longboard jump was stupidenous!"

stupidenous by slonneck November 27, 2012

stupiderest 

stupider than the stupidest.

"your stupiderest than that turtle."
what-

stupiderest by ofmiceandhorizons May 16, 2014

stupified 

confused and stupid at the same time

I feel helpless and stupified.

stupified by "B" February 15, 2006

Stupidest

It’s not a word, but it will be one day. You can use the word if you’re in an argument of some sort or just a regular conversation. Like said, it will one day become a word...

Me: I’m the stupidest here!

Stupidest by Moaning Earrape March 24, 2019