play something cool
stay cool
play it cool

"Seems to me you may have learned a little bit about staying cool during a tense situation," Cap said.

Spiritualized are back and talk through us through staying cool at the 2008 Festival.

For once, though, he had stayed cool and thought it through.

They stayed cool, didn't interact, didn't let themselves see the targets as people.

You can reduce the amount of water your body needs by reducing activity and staying cool.

It was just a matter of staying cool and making my decision.

For more information on staying cool, check this out.

In the end, the peskiest problem seems to be staying cool inside all that gear.