This phrase often conveys a strong emotional reaction to an unexpected event.

Emotional Impact

Use this phrase when something happens suddenly, without warning and was hard to predict.

Unpredictable Events

While often used for negative events, it can also be neutral or positive.

Refers to actions taken by someone that others didn't anticipate.

Often used when someone changes plans abruptly without informing others.

Implies that there was no indication or sign that something was going to happen.