To have a retarded face, or expression causing others to find it funny, creepy or just plain stupid.
Ex. 1 Jennifer Lawrence is the queen of derp because of the faces she makes.

Ex. 2 "I'm bored."
"Me too."
*Awkward silence.*
"Derp."
"Yeah..."

Ex. 3 Jennifer Lawrence Queen of Derp trended on Twitter worldwide. (FACT)
by Swim-on-and-on-and-on.... September 07, 2012

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1)Some one who is a either a retard or stupid looking

2) Something random to say in a awkward situation
Look at that guy being a derp.

That derp is giving me eye cancer from looking at him.

Person: I'm Bi

Person 2: DERP
by Moosic June 10, 2016

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1)Some one who is a either a retard or stupid looking

2) Something random to say in a awkward situation
Look at that guy being a derp.

That derp is giving me eye cancer from looking at him.

Person: I'm Bi

Person 2: DERP
by Moosic June 10, 2016

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1)Some one who is a either a retard or stupid looking

2) Something random to say in a awkward situation
Look at that guy being a derp.

That derp is giving me eye cancer from looking at him.

Person: I'm Bi

Person 2: DERP
by Moosic June 10, 2016

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The Urban Dictionary T-Shirt

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to be forgetful, while only reffering to self.
i left my keys in the car. well derp.
by AgentDerp September 07, 2016

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Usually a dumb kid with less knowledge then others, usually temporary, but can sometimes be forever.
yo dawg that kid was derp fo shure
by antl3r September 18, 2016

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Describes a person who reminds others of a potato
She is a derp, lol!
by Derpy_heichou October 12, 2016

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In always means someone who is literally a potato
I'm such a derp!
by Derpy_heichou October 12, 2016

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

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