From Longman Dictionary of Contemporary Englishgo for brokego for brokeinformalRISK to take big risks when you try to achieve somethingAt 2–0 down with ten minutes left, you have to go for broke. →broke
Examples from the Corpus
go for broke• In games, I usually go for broke. 12.• So he felt free to go for broke.• This is not a show you can skimp on, and thankfully director Damian Cruden goes for broke.• So, Major may be going for broke by breaking with precedent.• Jacobsen went for broke on the last nine holes and won the tournament.