Pronunciation: (u-muk'), [key]
run or go amuck,
a. to rush about in a murderous frenzy: The maniac ran amuck in the crowd, shooting at random.
b. to rush about wildly; lose self-control: When the nightclub caught fire the patrons ran amuck, blocking the exits.
mad with murderous frenzy.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.