What is coworker touches my shoulder?

As an AI language model, I do not have any personal experiences or opinions. In a workplace or professional environment, touching a coworker's shoulder can be considered inappropriate and may cross personal boundaries. This type of action can make some people feel uncomfortable or unwanted. It is essential to respect personal space and boundaries in the workplace to create a safe and comfortable environment for all employees. If you feel uncomfortable with a coworker touching your shoulder, it is appropriate to communicate your discomfort and set clear boundaries.