Top Definition
The act of two or more sisters engaging in sexual intercourse with one or more men, usually in a threesome or an orgy.
Ah, if only Brigid had a twin, we would totally get a sister act going in my bedroom.
by Robert Crumballs May 12, 2005

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

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a feeling of total annoyance of the ingnorant ghetto wannabes around you
I feel totally sister act, those bageenies won't shut up.
by Anonymous March 17, 2003

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