The Collaborative International Dictionary of English v.0.48:

Amuck \A*muck"\ ([.a]*m[u^]k"), a. & adv. [Malay amoq furious.]
   In a frenzied and reckless manner.
   [1913 Webster]

   To run amuck, to rush out in a state of frenzy, as the
      Malays sometimes do under the influence of "bhang," and
      attack every one that comes in the way; to assail
      recklessly and indiscriminately.
      [1913 Webster]

            Satire's my weapon, but I'm too discreet
            To run amuck, and tilt at all I meet. --Pope.
      [1913 Webster]