1) A loud interjection used to express a sensual desire

2) The mating-call of a boorish, brobdingnagian Asian in hot pursuit of a harlot.
Person 1: "BE-DERP! BE-DERP! YAAA BOI!!!"
Person 2: Oh man, there must be an Asian home with a vistor.
by sKiTtleZ-TastingDeRainbow January 2, 2008
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Herp da derp derpa derp. A derpity

derpity herpa derp derp. Derp derp

derp. A herp derp herpity derpity derp.
Derp 1: Herp derp?

Derp 2: Derp.

Derp 1: Derpa herp derp derp?

Derp 2: Derp...
by ElTalonO August 30, 2010
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one that expells an action of a complete and total fail
*Person 1 tries to walk up the down escalator*
Person 2: DERP!
by DerpYou February 7, 2010
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A word utterred when one screws up. origin: Matt Stone and Trey Parker in BASEketball. Used as an interjection.
(Imagine a scene where a guy is sniffing a girl's underwear, only to discover it is her mom's) DERP!
by Broc March 7, 2004
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1: The word that describes a particularly retarded face: A retarded smile, and the eyes pointing in different directions.

2: A word merely used as filler
1: Used in a picture (let's use the megaman image just for the hell of it), derp is the quintessential word for itself. 'Nuff said.

2: Person 1: "So... I'm bored"

*5 minutes later*

Person 1: "Derp..."

Person 2: "Yeah"
by aliatos August 24, 2009
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Someone who defies the laws of stupidity by being really, really stupid and derpy.
Melinda: I made a character named Aaron Brancher. He's going to be a rancher!
Friend: God, Melinda. You're such a derp.
by camille is black May 19, 2011
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