Yowling generally means that a cat is either distressed, lost, or in some kind of physical pain. When yowling occurs before or during defecation, it could indicate that a feline is struggling to pass a bowel movement, which is often caused by constipation.

Why does my cat meow after going to the bathroom?

A cat that meows loudly after using its litter tray may be informing you that it has been to the toilet. No cat wants an unsanitary litter box, so it's announcing that it's time for you to clean up the mess. ... Some cats are more verbal by nature. They like to inform owners of their actions and intentions.

Why does my cat run around like crazy before pooping?

Some cats run like crazy after they've had a bowel movement, particularly if it was uncomfortable. "Such discomfort could be caused by infections or inflammatory processes involving the urinary tract, colon or rectum," explains Dr. Mike Paul for the Pet Health Network.