Bite The Biscuit Meaning

Example : 1987, David Scanlan, "Way up north," Ottawa Citizen, 16 Feb., p. D6 (retrieved 19 Aug. 2010):  David Scott . . . admits he "nearly bit the biscuit," during a 1985 trip to Kluane National Park in the Yukon. Scott was crossing a chest-deep river with a racing current, when he slipped. The near-freezing water whisked him away.2007, Jack Henderson, Circumference of Darkness, ISBN 9780553589801, p. 199:  Trained assassins shoot people in the head, and that should be a relatively painless way to bite the biscuit.1999, Robert Hartman, Masters of the Millennium, ISBN 9781583820384, p. 5:  Weibe, who fought the effects of allergy medicine and a winless streak since the Hardee's Golf Classic (1986), had to bite the biscuit and settle for second place.2003, Steve Duno, Every Dog's Survival Guide to Living with a Neurotic Owner, ISBN 9781402731341, p. 225:  Sometimes owners need to bite the biscuit and call in professional help in order to solve a nasty canine behavioral problem.