A stupid phrase used by the notorious punk ass 50 cent in his punk ass rap, "what up gangsta". It also is the president's dog's name. I think 50 cent and Bo should get a hotel room together.
What cuz! Bo! Dude, did you mean the white house b*tch or that b*tch 50 cent's b*tch ass catchphrase.
by papa cap 3.0 March 5, 2015
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noun or verb

accr. for Blacked Out
David - "What happened last night?"
Chris - "Dude, you were so bo!"
by Black_out December 3, 2008
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A response to some one who is trying or may have used an excuse to not respond to a conversation.

Also used in slang for some one not respond acting vulgar to a conversation or being complete jackoff and ignoring you in away shape or fourm.
ie:

person1:yea i was just in a game sorry for not responding to your messages

person2: ooh yea no problem
person2: ...
person2: Bo
person1: ???
by The-Unforgotten June 30, 2009
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Bo is a cat from the land of oz where Carrie fisher and tanya ducksworth lives
That Bo trampled on my flowers

OH BO U TWAT GO EAT SICK!
by Nidzxxx July 6, 2004
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A lesser known hero in Greek mythology who was a son of Poseidon. Percy Jackson from the Lightning Thief series is loosely based off his life.
Bo from Ancient Greek mythology was such an interesting thing to learn about today.
by wowwwwwwwww1234 October 24, 2009
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'Man, I'd pull a Bo for her'
by Curious_George August 13, 2008
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