What is the meaning when it rains it pours?
The phrase, "When it rains, it pours" is simply to refer to the
fact that if one bad thing happens, lots of bad things happen. When
there may be a lot of things going wrong at one time in your life,
or day, you may say "when it rains, it pours" to indicate that lots
of crazy/not good things are happening. Perhaps you are stressed or
feeling down because it is a rough time.