Cool As Ice [extra Quality] • Quick & Free

Here’s a proper review of the phrase/expression — assuming you mean it as a descriptive term (e.g., for a person, performance, or character).

In modern sports, the phrase has evolved into "ice in the veins." It describes the "clutch" gene—the ability of an athlete to perform at their absolute best in the final seconds of a game. cool as ice

"Cool as ice" is universally understood to mean someone who is calm, composed, and unflappable, even under pressure. It can also imply stylishness or emotional detachment. No confusion about its intent. Here’s a proper review of the phrase/expression —