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Acronym for "Best brother in the world" . Usually used to describe how awesome your brother is.
My bro is the BBITW! :{D
by TFany November 18, 2011
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I have the bbitw!
My baby Michael is the bbitw!
I have got the bfbitw!
I'm the luckiest girl in the world bc i have the bbitwww!
Bfbitwww in the house.
by jackiea29 April 10, 2011
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