2broke 
/ˈbroʊk/ adjective
not used before a noun /ˈbroʊk/ adjective informal : not having any money
▪ She is broke and homeless. ▪ Can I borrow 10 dollars? I'm broke until payday. ▪ I'm flat broke. = (Brit) I'm stony broke. [=I have no money at all]
▪ She is broke and homeless. ▪ Can I borrow 10 dollars? I'm broke until payday. ▪ I'm flat broke. = (Brit) I'm stony broke. [=I have no money at all]
go broke
informal : to spend or lose all of your money
▪ He went broke after he lost his job. ▪ The company could go broke if the economy doesn't improve soon.
▪ He went broke after he lost his job. ▪ The company could go broke if the economy doesn't improve soon.
go for broke
informal : to do something that is dangerous or that could result in complete failure in order to try to achieve success
▪ She decided to go for broke and start her own restaurant.
▪ She decided to go for broke and start her own restaurant.
if it ain't broke, don't fix it
informal — used to say that you should not try to change something that is working well
