bust

v. i.
  1. To break or burst.
  2. (Card Playing) In blackjack, to draw a card that causes one's total to exceed twenty-one.
  3. To go bankrupt.
    4. to go bust
    to go bankrupt.
    or bust
    or collapse from the effort; -- used in phrases expressing determination to do something; as, Oregon or bust, meaning “We will get to Oregon or die trying.”