derp 

Usually a dumb kid with less knowledge then others, usually temporary, but can sometimes be forever.

yo dawg that kid was derp fo shure

derp by antl3r September 18, 2016

derp 

to be forgetful, while only reffering to self.

i left my keys in the car. well derp.

derp by AgentDerp September 7, 2016

Derp 

to waste time; doing anything and everything unproductive; piddlin' around

I was locked out of my apartment so I just derped around town until my roommate got home.

Derp by Yamahm June 19, 2016

derp 

Derp is what an irrational debater says when confronted with irrefutable logic.

Tony: The illusion of a god functions just the same way like a non-oberservable god.
John: Derp.

derp by Steven George June 16, 2016

derp 

An internet slang word used to describe a stupid or foolish person.

OMGOMGOOMG Randomuser456 is such a derp in minecraft he only mines wih a deadbush.

derp by cutecubes June 14, 2016

Derp 

Basically, a phrase used when A mistake is made

Ashlyn: Amy you dropped the donuts
Amy:DERP

Derp by CarlyMaroonPurplePig 501 June 3, 2016

Derp 

derp derp derp

Person 1 - "dood u sucha derp"
Person 2 - "ya me kno dood"
Persons 1 & 2 - " hahahaha"

Derp by TRUTTHHH123 November 2, 2016