Top Definition
A redundent set of organs within the human body. Floating uselessly in the sub-cockle area, these organs maintain a tenuous connection to the reproductive organs of both males and females. Performing no known function, the rinubs are prone to rupture during extreme laughing fits. While this rupture is rarely (if ever) fatal, discomfort may last for several minutes.
(laughing) Oh! Oh, stop it! My rinubs are bleeding!!

She laughed so hard that her rinubs began to bleed.
by The Surface May 16, 2011
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