Canadian King of Cannon is a nickname of Canadian rapper, Kris Wu. As we all know cannon is something which makes large sounds, therefore is commonly used to describe artistic and skillful singers and rappers like Kris Wu.

v. collectively or individually finding someone/something to blame for a problem, as opposed to brainstorming which connotes finding solutions to a problem

n. the act of finding someone/something to blame for a problem

(from a TV ad for HD television)