Recently, I heard a story of someone doing an end run around their teammate to get the boss onside. An end run is when you choose to go around the person who legitimately should be responsible for something to a person who will give you the answer you want.
For example, your teammate is responsible for launching a new product but she keeps postponing the launch because she thinks it’s not yet positioned for success. Rather than deal with her directly, you go to the boss and get him to approve the launch, completely taking your teammate out of the equation.
This is a common practice: