Mr. Cool

American  

noun

Informal.

1. a person who is ideally or excessively self-possessed, poised, or reserved (sometimes used with Miss, Ms., or Mrs. instead of Mr. when referring to a female).

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Example Sentences

It likely paid off financially, but it also led the actor from being Mr. Cool to being Clark Griswold in the “Vacation” movies and then the unbearable Pierce Hawthorne in what became, for him, the car crash of “Community.”

From The Wall Street Journal

Mr Cool first climbed Everest in 2004 and has summited it almost yearly since.

From BBC

Mr Cool's record-setting feat comes after at least two climbers - Subrata Ghosh from India and Philipp "PJ" Santiago II from the Philippines - died on Mount Everest this week.

From BBC

After his 16th Everest ascent in 2022, Mr Cool appeared to play down his record, noting that many Nepali climbers have surpassed it.

From BBC

Mr Cool is a "great person to share stories from two decades on the mountain", American adventurer Adrian Ballinger told Reuters news agency.

From BBC