Why would someone get goosebumps randomly?

Goosebumps may also occur during times of physical exertion, even for small activities, like when you're having a bowel movement. This is because the physical exertion activates your sympathetic, or instinctual, nervous system. Sometimes, goosebumps may crop up for no reason at all. read more

Imagine swimming in a lake on a hot summer day. The water is quite warm, but the wind is strong and the moment you leave the water you feel chilly and get "goosebumps." So you change clothes and move inside to warm up. You make a nice cup of tea, get under a blanket and switch on the radio. read more

Goosebumps are tiny elevations of the skin that resemble the skin of poultry after the feathers have been plucked. (Therefore we could as well call them "turkeybumps" or "duckbumps.") These bumps are caused by a contraction of miniature muscles that are attached to each hair. read more

In some instances, the perceived threat might not be real or physically imminent. So you might get goose bumps while watching a scary movie, reading a horror fiction novel, or even pondering a terrifying thought. Riding Emotional Waves. Strong, intense emotions often trigger a wave of goosebumps. Sexual arousal also brings on goose bumps in some people. read more