run amuck

run amuck (third-person singular simple present runs amuck, present participle running amuck, simple past ran amuck, past participle run amuck)

1. Alternative form of run amok
   • 1854, Nathaniel Hawthorne, “Passages from a Relinquished Work”, in Mosses from an Old Manse:

     This event would have looked most horrible in anticipation,—a thing to make a man shoot himself, or run amuck, or hide himself in caverns where he might not see his own burning blush; but the reality was not so very hard to bear.