Top Definition
A person who is so deep into a text conversation on a smart phone, that he/she does not react at all when spoken to and ignores all surroundings. The BB stands for the BlackBerry. The text messaging (also called Ping) is a favorite tool.
Look at that BB Zombie, he just walked right into that light pole and did not even noticed it.
by MadMaxCur July 11, 2011

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