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It stands for "Bad Old Noona." A Bad Old Noona is an older woman still following the young pop scene (usually Korean) as a devoted & crazy fangirl, inappropriately attracted to insanely young pop stars (maknae like Taemin of SHINee or Seungri of BigBang).
I don't want to turn out to be a BON when I grow up! This fangirl thing -- waiting all night for tickets, writing love letters, sending him socks -- is exhausting.
by blupomodoro February 15, 2010
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Big Ole Niggas
Hard ass niggas that will beat some ass!
>Bitch step back or i'll get my BON on ya ass!
by Breeanna April 29, 2005
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An acronym for 'Benefits Of Neighbourliness'.

BON can be used as an adjective to describe a neighbourly act as good - See the example below.
Fred: "Boy am I glad I know my neighbour! He just gave me his old quad bike!"

George: "That's BON!"
by Meet Your Street July 30, 2010
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Its nothing bad. It means good and it is a slang term used by people. It can be used in any situation and the person above this is an idiot. It is positive and means good in French thats where it is derived from.
if you have nothing to say...say Bon!
by thomas houshmanzedah October 11, 2006
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Short form of the term "getting the bake on" when smoking cannabis, started in the East Coast of Canada.
Mother of god, I've got the b on.

The b is on.

I just got a solid b on.

Randy came over and we got the b on.
by Worst Case Ontario November 04, 2013
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A battle cry used on the regular by team swollzilla. Used when achieving glory in the weight room by putting up an incredible amount of weight.

Also used in more subtle ways during conversation.
Swollzilla #1: (puts up amazing amount of weight) "BON!"

Swollzilla #2: That was heavy shit, bon. You going out tonight after this, bon?

Swollzilla #1: Yeah, bon. Fitting ta get my mac on, bon.
by SWOLLTANK November 03, 2010
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