do or die
idiomPart ofdie
do or die — idiom
1. used to describe a situation in which you must make a very great effort to succe
1.idiom
Definition
used to describe a situation in which you must make a very great effort to succeed because failure is not an option.
Example
It was a do-or-die moment for the basketball player as he took the final shot.
The company is in a do-or-die situation — either we find new customers or we close.