when it rains, it pours

When it rains, it pours is a very common idiom that means when things go wrong, a lot of other things that are wrong follow it or are going to happen at the same time. This is usually an idiom said by someone who has been recently going through a lot of troubles that happened after one troubling event, whether it was a small thing or one that may be deemed catastrophic. This person is having a negative attitude because of how many bad things happened at the same time.