What is “the bust of the century”?
In order to understand this expression, it is important to go over a couple of words. To "bust someone" is when police officers arrest someone for an illegal action."Century" means 100 years. "Bust of the century" is an expression that means to get someone into a lot of trouble; the biggest trouble that anyone can get into. In this particular video, Candace is planning to get Phineas and Ferb into big trouble.