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!
بواسطة Broc مارس 6, 2004
Someone who is generally awkward. Stands around awkwardly and makes everyone around him tense. A derp often is the type that tries to do something cool/risky and fails horribly the first time.
Person 1: "Whoa he managed to crash his dad's car the first time he drove it?"
Person 2: "Yeah, he's a derp."
بواسطة killacam53 مارس 25, 2013
A word that can mean many different things; usually negative. It can be a noun, verb and adjective. Synonyms include stupid, retarded, idiotic, idiot, dumb etc...

Variations of the word include derpy, derped, derpette, derpity der hurrrr. Herp is also related to derp and usually follows derp in a derpy interjection. Herping is almost always a verb, and when in combination with derp it does not have to be negative.
Noun: "Wow, that guy is a derp"
Verb: "Wow, that guy just derped everything up"
Adj: "Wow, that guy is derpy..."

Misc examples:
Person A: "Derp de durrrr... herp derp?"
Person B: "Herpity derp hurrr... Derp derp?"
Person A: "Hurrr :/ "
بواسطة FecesExplosion يناير 24, 2013

Used when replying to a previous statement that is either 1)irrelevant, 2)unintelligible or 3)pointless.
1) following a conversation that had revolved around riced out cars, Jim adds:
"Does anyone else think that corn dogs looks like rats having sex?"

Jim after smoking weed:

"I woke up, or was I already awake? It doesn't matter because THE CAT WAS STILL sleeping!!! ISN'T that odd?

3)The sun hurts eyes!
بواسطة DFreshalot سبتمبر 28, 2011
Someone who thinks that the joke:
"Why did the witch ride her broom?"
"Because her vaccuum was too heavy!"

is worth laughing about.
That Linda is such a derp for laughing at that joke.
بواسطة Courtney_Elizabeth2013 يناير 29, 2012
Universal word that can mean anything.
"That was derping awesome"

"Teach me how to derp, teach me-teach me how to derp"

"Go derp yourself you derping piece of derp!"

"Derp you!!"
بواسطة JvMarsh نوفمبر 20, 2011
when ones eyes go every which way. Usually dogs such as pugs derp.
whats wrong with your dog? Her eyes are going everywhich way.

dude. shes just derping.
بواسطة derpderpdog يونيو 19, 2010

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