Definition
Used to describe a situation where one bad event is quickly followed by a series of other unfortunate events, exacerbating the initial problem.
First I missed my train, and then I discovered my wallet was missing. It never rains but it pours.
She lost her job, and then found that her house was leaking. It never rains but it pours.
When they announced the project was canceled, he felt it never rains but it pours, because the day before his car had broken down.