Ice Cool Meaning

(idiomatic) calm and composed in a difficult situation.

Example: 2011 February 5, Michael Kevin Darling, “Tottenham 2 - 1 Bolton”[1], BBC:
  The ice cool Van der Vaart placed the kick in exactly the same place and beat Jaaskelainen again but Clattenburg ordered a retake for encroachment, with replays showing that Jermain Defoe and Wilson Palacios had strayed into the area before the ball was struck.