The act of a mouth-breathing troll using their own alternate account(s) to agree with their own wharrgarbl or derp.
User 1: Libtards are afraid of Sarah Palin because she's smart.

User 2 (User 1's alt): Woah, did I say afraid of? I meant scared of.

User 3: Looks like we have a circle derp.
by MistahTom March 26, 2010

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The Urban Dictionary Mug

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Top Definition
A gathering of individuals who share a fundamentally flawed, factually incorrect or misunderstood notion who, by the act of communication and commiseration, grow more fervent in their belief and radical in behavior.

In other words: morons who get together and grow progressively dumber as as a group.
"Did you see that tax day tea party circlederp in the town square last night?"

"If our team wins the Super Bowl, how do we organize a celebration that doesn't turn into a late-night window-smashing car-flipping circlederp?"
by neuracnu April 15, 2009

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt