What Causes Random Goosebumps?

What Causes Random Goosebumps? As you may have noticed, goosebumps tend to form when you’re cold. They also form when you experience a strong emotional feeling, such as extreme fear, sadness, joy, and sexual arousal. Goosebumps may also occur during times of physical exertion, even for small activities, like when you’re having a bowel movement.