Top Definition
A wrinkled, retracted penis of old dudes in the showers at a swimming pool mens changing room. Mini means small, billy means willy. These are comparable to party weiners at get togethers and other various social events.
"Kieron, its a minibilly fest today!"
by Dr Billy December 14, 2003

The Urban Dictionary Mug

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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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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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