Top Definition
Acronym for "Believe It Or Not"
-BION, I bumped into Bill Clinton last week.
-Believe it or not, I bumped into Bill Clinton last week.
by WerriamMebster August 04, 2008
noun. The mechanical or digital device that, when integrated with a human, makes him or her bionic.
(Looking at man with an insulin injector) Hey Tom, your bion is showing!
by el bobbo July 25, 2008

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