the crack of doom

The phrase "the crack of doom" typically refers to a dramatic, ominous moment signaling imminent catastrophe or the end of the world. It is often used metaphorically to describe a decisive, final event that brings about a significant and irreversible change, often associated with gloom, dread, or the ultimate demise. The term "crack" can invoke the sound of something breaking or shattering, while "doom" signifies impending disaster or fate, emphasizing the grand and irreversible nature of the event being described.