'or bust' definitions:

Definition of 'or bust'

From: GCIDE
  • bust \bust\ (b[u^]st), v. i.
  • 1. To break or burst. [informal] [PJC]
  • 2. (Card Playing) In blackjack, to draw a card that causes one's total to exceed twenty-one. [PJC]
  • 3. To go bankrupt. [PJC]
  • 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." [PJC]