Top Definition
when your dick is up right and cum drips down the wang like magma/lava coming down, some will shoot up like a volcano
My dick was upright and cum started shooting out like a cum volcano
by chris6666666666 June 09, 2009

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A volcano of cum, it's better than saying Cum Dumpster or pool.

Often referring to whores and what not
That fucking whore is such a cum volcano.
by Isaak D November 20, 2008

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