To commit or expend all of one's available resources toward achievement of a goal - "Why not go for broke and take on somebody who is quite young and see what he does?"
risk everything in one big effort; "the cyclist went for broke at the end of the race"
risk everything in one big effort; "the cyclist went for broke at the end of the race
() From Hawaiian Pidgin craps slang, meaning “to wager everything on one roll”: one would be broke, bankrupt if one loses.The movie Go for Broke!, which popularized this phrase, gives this etymology. Popularized by the movie Go for Broke! (1951), which is named for the 442nd Infantry Regiment’s unit motto.