Someone who messes with your sex game!
Someone who stops you from getting pussy on purpose!
Man, that dude is a cock block!
by Rick-Chizzle January 28, 2009

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When someone or something gets in the way of or messes up intentions of performing sexual acts involving your cock.

(From Super Bad)
Me: I was so close, but he totally just cock blocked me.
by tcady123 August 12, 2008

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

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when you are gonna get some, but then something stops you..
getting cock-blocked is when your cock gets blocked from getting any.. ex. my mom walked in on me and stopped me from tappin that
by Alec Mudd July 17, 2008

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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When a someone you know prevents you from looking good in front of the ladies
Jon Dejesues
aka animegamer
by miguel June 06, 2004

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

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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).

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The ex that hangs around so your not likely to get any.
John just kept on hanging around, killing any chance of getting laid by Peter...John was such a cockblock!
by Jewels49 February 04, 2010

The Urban Dictionary Mug

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Lotsa space for your liquids.

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

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A buddy that is pure repulsive to the ladies to the extent that his presence prevents you from getting any action.
"I hate going out with George, he is such a CockBlock!"

"I was just talking to a gang of hotties who were gagging for my cock and then George came over and and they all said they had to catch a taxi. I was practically guaranteed some tang, George is such a CockBlock man!"
by Hentsep Renge March 03, 2009

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

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).

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A person who blocks the 'cock' from reaching its intended destination.

Stop being such a cockblock, he's trying to 'bag' her.
by apparentlymyname isbeingusedby January 24, 2009

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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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.

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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