Top Definition
Three penises (penii). Caused by a rare genetic disorder. In pornography, this is often implemented to simultaneously pleasure three women (or men, or a combination of both). Will most often result in a trigasm.
"Hey William, how large is your trenis?"
"Do you mean individually or combined?"
by Dinkmers November 23, 2007

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A form of penis that a tree has. Only a tree has one of these. Usualy very large. Either green or brown, pending on how old it is. Quite fun to ride.
Look at the size of that trenis!
by Asliceofpizza January 11, 2005

The Urban Dictionary Mug

Lotsa space for your liquids.

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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.

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