A penis that has been amputated and/or sliced up
Gayface: Jon what is that in your hand?
Jon: Its a bokun lol
by mcgregor May 13, 2007
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Slang; mutilated penis.

1. Can be used literally
2. As a derogatory term
1. Doctor: "I'm afraid after that accident, you have a bokun."

2. Dude, you're a bokun.
by Dntel January 1, 2007
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