[throw] it over the wall

to pass a responsibility, task, or problem to someone else without addressing or resolving it oneself

The idiom "throw it over the wall" has its roots in the world of business and project management. It symbolizes the practice of delegating a task or issue without providing comprehensive information or guidance to the recipient. The "wall" in this expression represents a figurative barrier between different departments or teams within an organization. It is often used when there is a perceived lack of collaboration, information sharing, or clarity in the delegation process.

The marketing team had no idea how to handle the technical issue, so they just threw it over the wall to the IT department.
Instead of discussing the project requirements, they decided to throw it over the wall and hope for the best.
The customer support team frequently feels frustrated when sales teams throw customer complaints over the wall without providing any context.
The lack of collaboration between departments is evident when they simply throw tasks over the wall, leading to delays and misunderstandings.
Rather than working together, some team members prefer to throw their problems over the wall and wash their hands of them.