1. To prevent a friend (male or female) or associate from attending a physics symposium.

2. Any such attempt to prevent a friend or associate from going to a physics symposium.
1. Damn, Johnny just totally quarkblocked his roommate. Ass.

2. OK, Isaac's headed toward the door with some notes on particle physics and our Halo scrim is on in fifteen minutes. We're going to have to attempt a quarkblock.
by marblewonder January 28, 2009

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Top Definition
The geeks' version of cock block. Quark Block is where your friend prevents you from a geeky act that he wanted to take.

Wu Ping: Hey why didn't you tell me about that physics seminar Steven Hawkins was delivering in town yesterday?

Matt: Ooops.... guess I forgot.

Wu Ping: expect me to believe that? You totally quark blocked me and went for it by yourself.
by tastelikecrab February 15, 2009

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Lotsa space for your liquids.

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Your favorite word on a white mug.

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The Urban Dictionary Mug

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

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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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