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18.
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
 
1.
I comprehend what you are saying and verify that your statement is true, my good brother.
"Donkey Kong is the best video game ever made."
"Word up!"
by KevinV November 10, 2006
 
2.
yeah, thats right or like deamn right, yes
Word up!
by VAKI5 August 15, 2003
 
3.
acknowledgement, approval, indication of enthusiam
Dude, count me in, word up!
by H. Quinn November 30, 2002
 
4.
traditionally, in the hip hop cultural world, the word "up" succeeds the word "word". this combonation, of what seems like two unrelated words, actually is a form of acknowledgement, or apporoval. Some synonyms inculde, "I concur." and "Yes, i agree with that"
"Gee George, your lawn looks very nice today"
"Word up"

"Oh wow, Mary, you really knew what you were doing when you decorated the great hall"
"Word up"
by Klock October 08, 2006
 
5.
Aggreement with something someone else has expressed
A: "I Love this choon"

B: "Word Up sister!"
by Trinkbar_Trina March 29, 2005
 
6.
the damn truth,definetly
"yoo i dont kno bout you but im bout my paper word up"
"word up son u kno i got you"
by jkiss March 13, 2008
 
7.
to command agreement from another person; to prompt someone to concur by responding "word"
A: "The soup is too hot, kid! Word up."

B (wording up): "Word."
by THE 411 October 17, 2009