What Does it Mean for Something to be Cannonproof?

Cannonproof is a term used to describe something that is extremely durable or robust, able to withstand heavy loads or impacts without sustaining damage. The term is often used in the context of construction or engineering, where materials or structures are tested for their ability to resist the forces generated by cannons or other high-powered weapons.

The term "cannonproof" is derived from the idea that a structure or material that is able to withstand the force of a cannonball is likely to be able to withstand other types of impacts as well. It is often used to describe materials or structures that are designed to be particularly resilient or durable, such as armor plating or fortifications.

In general, "cannonproof" is not a formal engineering or scientific term, but rather a colloquialism that is used to describe something that is exceptionally strong or resilient. It is often used in a humorous or exaggerated way to describe something that is able to withstand an absurd amount of force or impact.