Murphy's law

idiomPart ofmurphy

Murphy's law — idiom

1. the humorous or ironic idea that if something has a chance of going wrong, it us

1.idiom
Definition

the humorous or ironic idea that if something has a chance of going wrong, it usually will — often said when a small problem occurs at the worst possible moment

Example

We brought umbrellas, raincoats, and spare batteries — Murphy's law says we will need them.

The toast landed butter-side down on the clean floor. Just Murphy's law, I suppose.