The Clue Drink better not shaken well before use
The Answer SODA
The answer "SODA" fits the clue because soda is a drink that can be carbonated. The phrase "better not shaken" suggests that shaking can cause it to fizz and lose its carbonation. Additionally, "well before use" hints at the idea of letting soda settle before opening it. Overall, the clue cleverly describes how soda should be handled.