herp derp 

Something idiots say. Usually it is supposed to indicate stupidity in somebody else, but the person saying it is usually the dumb one.

Herp derp look at this noob.

herp derp by Turbo_Phoenix May 17, 2011

Erpa Derp

A saying, spoken out loud, while acting as a slow or mentally challenged person when someone makes an incorrect action or is unwillingly blind to something obvious.

Guy1: WHERE IS HE!?!?!

Guy2: In front of you in the bushes. ERPA DERP!

Erpa Derp by Pink Clay doh April 6, 2010

Purple Derp

A purple retard, or a purple mentally challenged person.

There is a purple derp down in Florida.

Purple Derp by Werty27 May 12, 2011

Herp Derp 

A phrase said by idiotic morons who think they are cooler then they actually are.

HERP DERP. I AM SO HIPSTER.

Herp Derp by mmmmmhm October 19, 2010

herpty derp 

The act of failing epicly at something, especially when you forget exactly what the heck your doing in the wrong room of the house

Bob:"I just had a total herpty derp moment there."
Jim:"Wat?"
Bob:"I forgot what the hell I was doing there."
Jim:"oh."
Bob:"DERP"

herpty derp by PatrickFails139 July 2, 2014

A Derpidy Derp 

A man or female that makes dumb decisions and may all around be not smart.

Man Linda was such a derpidy derp in class today.

A Derpidy Derp by InfamousJonah December 16, 2017

Dire Derp 

Failed at something, messed up.

I put this post in at an angle, I did a Dire Derp.

Dire Derp by Kadish_W January 5, 2019