Top Definition
When twelve penises or objects that exemplify penises, such as dildos, in one anus.

It is physically possible to achieve naturally but has rarely been attempted in pornography, certainly not in the mainstream.

However, dodeca anal penetration with the use of eleven penises and one dildo has been done, notably by female porn star josh moran, twice.
Cindy tried dodecanal with her boyfriend and eleven dildos

Samantha had Frank and Derek and Jack and Fred and Bob and Dale and Chris and Josh and Paul and Niall and Rylan sexually penetrate her anus at the same time, and also added a dildo into the mix

Somehow, some way, Jessica got twelve men to fit their erect penises into her anus all at once.
by plasticpenguin November 16, 2009

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