The crack of doom noun phrase informal
Many believed that war is the cause for the crack of doom.
The sky today is so dark, like the crack of doom.
To put an end to something
1. Used to refer to a point where a process or an activity ends
2. Used to refer to a point where someone no longer survives; death
It is inevitable that good experiences will eventually end.
1. To say or do something that makes someone talking stop.
2. To end something suddenly.
In the final steps or approaching the end of a long process
The phrase is found in Shakespeare's Macbeth, 1605.