Top Definition
A white powder that is commonly used to cut cocaine with. This was part of the reason it is highly regulated.
i have been cutting my cocaine with quinine so that i can afford an overseas bride that can speak english and has all her fingers
by BUTT)SEX March 31, 2010
A chemical compound designed to treat Malaria.
Didn't the guy who invented quinine die on a boat?
by abdullahatieh September 15, 2009

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