Verb.
To grin retartedly and/or drool while surrounded by extreme awesomeness because you can not express your joy/excitement/admiration for what ever that is around you with words.
Derived from the words "herp," meaning epic win, and "derp" meaning moment of retardation(according to some definitions).
Commonly occurs when listening to music or watching movies.
A:"So how was that Apocalyptica concert?"

B:"It had me derping in herps!"

A: "Lucky bastard."
by todellisus May 25, 2011
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An expression used when a person, or yourself, has done somthing extremely stupid and dopey
Person 1: Dude, I just hit my head on the door.
Person 2: HERP DERP.
by Kommandant November 25, 2009
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When two people from different cultures have an outdoor wedding and the person officiating is Jewish.
That wedding was a total herp derp.
by Jexlar January 8, 2018
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the answer for every physics problem according to idiot hipsters that think they are so cool
Q: What is the force of gravity?
A: herp-derp
Teacher: you're a moron
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Something idiots say. Usually it is supposed to indicate stupidity in somebody else, but the person saying it is usually the dumb one.
by Turbo_Phoenix April 26, 2011
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A phrase said by idiotic morons who think they are cooler then they actually are.
by mmmmmhm October 17, 2010
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A rage face showing expression of dumbness or suprising.
Hey, look, it's the herp derp face!
by superworddude May 17, 2014
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