Meaning of kerflooey

ker•floo•ey

Pronunciation: (kur-fl'ē), [key]
— go kerflooey,
  1. to cease functioning, esp. suddenly and completely; fall apart; fail: As soon as the storm hit, every light in town went kerflooey.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.