The ratio of carbonated water to the syrup in a drink. If the ratio of carbonation to syrup is high then there is less flavor.
Rahm (to new guy): Is that what I asked for? If you waste my time, you waste the people's time.

New guy (aside to Rahm's assistant): It's just a Diet Coke.

Rahm's assistant: No way. The fizz ratio in McD's Diet Coke is perfect-soft on the bubbles. It's exactly the way Uncle Barry likes it.
by jackwayd July 8, 2009
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