Weed war is by the Phunk Junkees, unless we are thinking about different songs.

is it the one that goes "their on a never ending quest 2 get high, its a weed war and somebodies gonna die"?

"uncle sam is behind the scam, he's slangin sacks behind our backs, raisin the tax 2 the max, I hear he's gettin stoned wit da slee stax!"