" Crunch time "
Meaning:
The period of time just before a project has to be completed.
Example:
The exam is tomorrow and I need to pass - it's crunch time for me.
Where did it originate?:
Sir Winston Churchill coined and often used the expression 'it comes to the crunch' and this is the source of the 'crunch time' variant.
Where is it used?:
Hear the idiom spoken: