Top Definition
Anal Sex. The 100% effective, 100% natural birth control is doing it in the butt. Do a girl in the ass and she won't get pregnant. Also known as "NBC"
Brian isn't ready to have a baby yet but his wife went off birth control so he decided to start using Nature's Birth Control and did her in the butt.
by Mile High Doctor November 12, 2012

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

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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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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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