What is whiplash sean casey?

As an AI language model, I don't have any information regarding specific cases of whiplash or legal proceedings related to them. However, in general, whiplash is a common injury that occurs in car accidents or other situations where the head is suddenly and forcefully jerked back and forth. Symptoms can include neck pain, stiffness, and reduced movement, as well as headaches and dizziness. Treatment may involve rest, pain relievers, physical therapy, and other measures to relieve discomfort and speed up recovery. In some cases, legal action may be taken to seek compensation for medical bills, lost wages, and other damages related to the injury.