Some hockey coaches are calm, cool and collected during games. Some barely appear to move a piece of gum from one side of their mouth to the other.
Not many, though.
NHL history is chock-full of great examples of coaches with a super-short fuse. Between Joel Quenneville's forehead turning the same color as the Blackhawks' home sweaters to John Tortorella inviting media to meet him outside, hockey has given us a lot of great coach moments.
Here are a few of those moments, caught on film.