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!

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.

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.

by mmmmmhm October 19, 2010

Derp

Is a word that describes a particularly retarded face: A retarded smile, and the eyes pointing in different directions aswell as a wierd fraze such as...Derpdy

Normal person: "Hey, whats up?"

Connor White: "Derp herpa flerp merp der gerp"

Normal person: "Speak normal you derpy dick"

Connor White: "DERPPPPPPPP"

Normal Person: "Calm down"

Connor White:"wa"

by Hammond511 July 31, 2012

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.

by InfamousJonah December 16, 2017

Derped out

When you make a really stupid mistake, or when you fall flat on your face.

Billy was derping out when he thought his lunchbox was his textbook.
John derped out after getting dizzy.
Matt's derping out!
Bob derped out!

by LAKottke June 10, 2020

sub derp

A term signifying the class distinction between derps.

Person 1: Man, Kyle just derped out hard!
Person 2: What sub derp did his derping fall under?

by Orson Kart(do you get it?) July 6, 2021