Top Definition
A makeshift lubricant used for anul sex with a woman. The ingredients include dried up period blood, vaginal musus, spit, and fecal matter. Ideally this mixture is possible when having bareback vaginal intercourse with a woman during her menstrual cycle.
Sven didn't think he'd get his cock in Gina's ass but then he remembered he learned about rustolube in the boy scouts.
by tactrash May 14, 2008

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.

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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

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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