a rare sexually transmitted disease spread through the contact of one's big toe with another's anus, commonly known as the "butthole".
Jimmy: Samantha just gave me a rubini
Daniel: Isn't that in your butthole?
Jimmy: Yeah. It is.

Daniel: EWWW, that's sick. Stay away from me!
by therealdealzzzzzzzzzzzzzzzzzzz December 22, 2009

5 Words Related to rubini

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