Don't drink it , use it to clean.

** To remove grease from clothes: Empty a can of Coke
into the load of greasy clothes, add detergent, and run
through a regular cycle. The Coca-Cola will help loosen
grease stains. It will also clean road haze from your
windshield.

** The distributors of Coke have been using it to clean
engines of the trucks for over 20 years!

** To loosen a rusted bolt: Apply a cloth soaked in Coca-Cola
to the rusted bolt for several minutes.

** To clean a toilet: Pour a can of Coca-Cola into the
toilet bowl and let the 'real thing' sit for one hour,
then flush clean. The citric acid in Coke removes
stains from vitreous china.


** To clean corrosion from car battery terminals: Pour
a can of Coca-Cola over the terminals to bubble
away the corrosion.

http://www.ehow.com/how_4464537_clean-corroded-car-battery-terminals.html

http://wiki.answers.com/Q/Will_coca_cola_rust_nails