sunkPronunciation: (sungk), [key]
a pt. and pp. of sink.
beyond help; done for; washed up: If they catch you cheating, you're really sunk.
(of a forecastle or poop) raised less than a full deck above the weather deck of a ship.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.