1 definition by Trixxie 2005

Top Definition
An affirmation or indication that one is in agreement with what has been requested or stated . Meaning of course, or in some cases of course you moron.
You say "Hey! Cold Bob, Ya made bail! "

Cold Bob replies " Word up G-Money"

your best friend offers you a beer you take it stating "word up"
by Trixxie 2005 August 22, 2005
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