AMOK

I. noun or amuck Etymology: Malay ~ Date: 1665 a murderous frenzy that has traditionally been regarded as occurring especially in Malaysian culture, II. adverb or amuck Date: 1672 in a murderously frenzied state, 2. in a violently raging manner , in an undisciplined, uncontrolled, or faulty manner , III. adjective or amuck Date: 1944 possessed with or motivated by a murderous or violently uncontrollable frenzy