Reminds me of "running amok" from Malaysia and Indonesia. > In a typical case of running amok, an individual (often male), having shown no previous sign of ang

Reminds me of "running amok" from Malaysia and Indonesia. > In a typical case of running amok, an individual (often male), having shown no previous sign of anger or any inclination to violence, will acquire a weapon (traditionally a sword or dagger, but currently any of a variety of weapons) and in a sudden frenzy, will attempt to kill or seriously injure anyone he encounters and himself. https://en.wikipedia.org/wiki/Running_amok https://en.wikipedia.org/wiki/Running_amok Culture-bound syndromes are fascinating.