Top Definition
when you go beyond a normal erection and your penis has hardness of stone.
i had major rock cock after walking in on your mom in the shower.
di tyler0durden 27 giugno 2005

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After a concert when a girl gets layed by a rock band member, preferabley on the bands bus.
"That lead singer is hot as hell, I'm getting me some ROCKCOCK tonight"
di Parma-lay-me 13 giugno 2009

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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

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your cock rubs against small to large jagged rocks thus producing a reddish inflammed penis.
The water is low today for tubing I hope i dont get rock cock on the rapids.
di meaty petey 12 giugno 2011

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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.

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
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