1 definition by postman42

Top Definition
A fictional organ.
Birthed in the name of Teh lulz
Based on non-fictional organs, the spleen and kidney.
"OW! you punched me in the keen"
Doctor:"due to complications during your surgery we needed to remove 1/4 of your keen, they are in a jar over there"
by postman42 January 09, 2011

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