throw cold water on

But throwing cold water on the latest hopes of a Round 2 is none other than Kim Yo Jong, the powerful younger sister of the North Korean leader.

But the Justice Department recently threw cold water on the theory, releasing a memo saying it found no evidence that a client list exists.

He threw cold water on a popular right-wing conspiracy theory that undocumented workers are receiving health care that’s denied to American citizens.

"Most things we do to a virus makes it weaker or not work as well, or maybe you're trying to engineer it for therapeutics, and I'd hate to see somebody throw cold water on that."

Still, even if Harris does enter the race, Republican political strategist Mike Murphy threw cold water on the idea that she would have an automatic glide path to the governor’s office.