derpfist 

a derpfist is a person who does something incredibly stupid.

another way to say "retard"

person 1: that guy left his wallet in his unlocked car!
person2: what a derpfist.

derpfist by thedo0d June 19, 2009

derpist

a stupid person, or idiot

dude did you really lose all that money? you derpist

derpist by DIMA Y. December 25, 2008

Derpfest 

A period of time where everything and everyone involved is acting like a complete derp.

I stopped playing Zelda cause the Water Temple was such a Derpfest.

Derpfest by WeOwnTheNite May 10, 2011

Derpistanian 

A person from the village of Derp

John is clearly Derpistanian.

Derpistanian by MrNeek August 28, 2011

derpfish 

A stupid idiot human type thing.

He got a F his test, he's a derpfish.

derpfish by HotStuff123 January 30, 2015

Derpist

Some who repeatedly creates the action of derp.

That lady is such a derpist.

Derpist by J. Zweig December 6, 2017