It means the darker stuff which actually looks like coca-cola. The use of "coke" as a generic term is itself a regionalism of the southeastern US. "Pop" has th

It means the darker stuff which actually looks like coca-cola. The use of "coke" as a generic term is itself a regionalism of the southeastern US. "Pop" has the largest geographical coverage http://images.huffingtonpost.com/2012-11-09-Screenshot20121109at3.05.00PM.png http://images.huffingtonpost.com/2012-11-09-Screenshot201211...