agua sin gas 

Literally "water without carbonation"; usually bottled. This is typical of Spain, central, and South American (like Peru) Spanish-speaking countries.

As the gringo says: Quiero ordenar agua sin gas por favor.

agua sin gas by Darren Y. July 13, 2006

agua sin gas 

Still water, as it would be ordered in southern Spain.

Agua sin gas, por favore.

agua sin gas by Kung-Fu Jesus April 30, 2004