An<unk>  (or terrible<unk> , or O'Donoghue's<unk>  is an injury to the knee. It commonly occurs in contact sports (such as American football). The mechanism for this injury occurs when a lateral (outside) force to the knee is received while the foot is fixed on the ground.
Unhappy triad
Munchausen by Internet
Brazing
Bibliomania
Automatic behavior
Doubt
Cotard delusion
Homicidal ideation