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Acronym short for: "Big Juicy Booty"

When a girl's got that donk, but is too shy to call it one
Damn that girl Liney's got a mean BJB
by WhiteBoySwag August 11, 2013
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5
The act of getting a blow job in a basement or underground area
Boy1: "hey i saw your girlfriend over last night what did she do."

Boy2: "she gave me a BJB"
by AJ1097 December 21, 2009
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