To mostly be held out of a game for a concussion in the NFL means that your brain is in very bad shape.
Never mind that a CAT scan taken after the incident confirmed that he had suffered a concussion.
Just like last month, when she suffered a concussion and had to postpone her appearance at the congressional hearings on Benghazi.
concussion con·cus·sion (kən-kŭsh'ən)
A violent shaking or jarring.
An injury to a soft structure, especially the brain, produced by a violent blow and followed by a temporary or prolonged loss of function.