adverb | 1. | mad with murderous frenzy. |
| 2. | amok. |
| 3. | run or go amuck,
|
"There are some of them [the Javanese] who ... go out into the streets, and kill as many persons as they meet. ... These are called Amuco." ["The Book of Duarte Barbosa: An Account of the Countries Bordering on the Indian Ocean and Their Inhabitants," c.1516, Eng. transl.]