A derp is the guy in the bright clubby striped shirt who waits in line for 2 hours to get into, well, a club. Granted, it’s nighttime, but the derp still wears the euro-trash sunglasses. The derp has far too much pomade in his hair. On top of this, the derp acts like he is a member of high-society, when in fact the derp is actually just high-maintenance white trash.
let's get out of this bar, it's loaded with derps.
by fycfan#1 March 31, 2005
the sound muttered, spoken, and/or by some mumbled after an instantaneous moment of extreme stupidity.
you:I HAZ MORE SODA THAN YOUUU! *derp*
Super Market: you're an idiot.
you: derp derp derp.
by THEKOOLKAT July 25, 2010
Anything and everything. I can mean whatever you want it to be.
Person 1: What a derp.
Person 2: I know, he be derpin.
by whoopwhoopshawhoop95555 June 08, 2011
A huge and dramatical case of retardation
Derpy derp derp
by Derps October 26, 2010
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 23, 2009
a funny looking dumbshit with no swag.
look at this derp
by bigbenji96 July 07, 2015
noun- A slang phrase to say or include when the topic being discussed is random, funny, or really stupid to the point that it is hilarious.
"I'm publishing this really funny picture of a chicken"
"You should caption it with derp, that will make it at least 5 times funnier!"
by DerpyCoal March 05, 2015
Making a stupid face
William made a derp face
by xmilisnotonfirex February 19, 2015

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