It mean ''what's up?'' or ''what's the word on the street?''. Basically ''What's been happening?'' Usually a greeting.
''Hey Steve Word Up.''
''Nuthin just been chillin'...''
by Nathan Ganley June 26, 2003
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Agreeing with someone when you are under the influence of drugs, alcohol, pills, caffeine, Glade, etc.
mary: god i wish i had a dick to suck right now
jamie: haha.... word up....
by Chi Chi Gonzalez August 22, 2003
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A slurred pronunciation of "what up" mainly used by big-city blacks and suburbian whiteboys..
word up, gangsta..?
by kaotik_jay May 22, 2004
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Used in conjunction with ow in place of saying hello.
Man 1:Word up!
Man 2:OWWWWWWWWWWWWWW!
by tommyh January 1, 2005
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Bitched version of "yes", used primarily by ethnic minorites.
-You chillin wit da posse?
-Word up, dogs.
by GuidoPosse69 February 10, 2005
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A song by Korn, a hard rock group
Have you heard "Word Up"? Its a good song.
by Lived Ip April 11, 2005
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the best song ever made by korn, who cant even spell thier name right, and probably the olny hit they are ever going to make.
moron: DDDDDDDUUUUUUDDDDDDDDEEEEEEEEEE do u listen to "korn's" song "word up"?!?!!??!

me: shut up u tree hugging hippie!
by shawn im so kool March 25, 2005
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