go out in a blaze of glory
cliché To conclude some activity or perform some final action in a spectacular, extraordinary, or impressive manner. The underdogs of the league have had a remarkable season, and they're hoping to go out in a blaze of glory by defeating the top-ranked team for the championship title. Now that he has access to nuclear warheads, many worry that the erratic dictator may decide to go out in a blaze of glory. The accountant sure went out in a blaze of glory, distributing records of the CEO's financial transgressions to everyone in the company—and the IRS—after he quit.
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