: suffering the effects of a hard blow to the head : affected with a concussion
Despite the recent effort to improve recognition of a concussed player and remove him from the game, the diagnosis might be missed after a fight. Michael J. Stuart et al.
"And that complete cow Pansy Parkinson," said Hermione viciously. "How she got to be a prefect when she's thicker than a concussed troll …" J. K. Rowling
Did it seem like the action of a dazed, concussed man, no longer master of his thoughts, to select those things, pack a bag, conceal the hospital clothes, and walk out of here? Brian Moore