Here's how it works:
* Walls: Represent any challenge, barrier, or limitation that stands in the way of achieving a goal.
* Storming: Implies a forceful and aggressive approach, often involving determination and perseverance.
Examples:
* "The team stormed the walls of their rivals, winning the championship after years of setbacks."
* "She stormed the walls of her fear and finally asked him out on a date."
Essentially, the idiom emphasizes the forceful effort and successful conquest of something challenging.