What your call when you got 40 oz. of Malt Liquer
Also nickname for Bay Area super rapper E-40/
by Jizzo Fortanel January 22, 2004
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A vitamin water that is made by E-40 and the makers of hyphy juice.
I was at 7-11 yesterday and I bought that new 40 water and it was amazing.
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Drinking Water out of a 40oz bottle that Alcohol was originally in.

For those that can't afford bottled water and/or a Nalgene

Tip: Use a Darker bottle to make your "Water 40" appear to be real Alcohol.

"Yo Bro can I get a Swig of that King Cobra 40 oz"
"DUDE This Aint No Beer, it's a Damn Water 40"
by Kylemotron June 15, 2008
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