-BION, I bumped into Bill Clinton last week.
-Believe it or not, I bumped into Bill Clinton last week.
by WerriamMebster August 4, 2008
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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!
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BION is the underrated acronym which stands for "believe it or not".
"BION, it did the same thing again! What is this, like the 5th time today or something?"
by November 22, 2021
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His dick did not match his body color bion.

-Tgrizzle aka grizzgreen aka general greezy S. Grant
by Syrmandyk April 3, 2022
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Can be used to describe pretty much everything. Can be used to express excitement, anger, joy, grief, literally anything you can think of.
That's so fuckin bion dude, I really can't believe that happened.

That poop sauce was absolutely biontastic!
by Father of Bion January 26, 2021
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Bion is a name given to people who are very chill, ordinary, funny, extroverted and you just want to hang out with them all the time. Bions are fairly attractive and smart.
Person 1: hey look some guys just walking minding his own business over there
Person 2: wow they must be a Bion
by KiraQueen November 6, 2021
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