Top Definition
After ejaculating, semen is left inside the urethra. After some time, this seminal fluid hardens causing disturbed urinary patterns.
I was aiming for the toilet but due to an excess of cumcrete I urinated all over my pants.
by Jackstain October 08, 2009

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Dry semen left on a countertop after masturbation.
My roommate is a bastard. He left cumcrete on the bathroom counter by the toilet. I thought it was toothpaste until a tried to wipe it up with a wet cloth and almost puked from the smell.
by Dr. Robstew December 19, 2012

The Urban Dictionary Mug

Lotsa space for your liquids.

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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.

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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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Dried semen and or man spackle
His cumcrete merged one part of the blanket to the other.
by Fibonaccispiralman March 03, 2016

The Urban Dictionary Mug

Lotsa space for your liquids.

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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