What the fudge are goosebumps and why do we get them?

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From wikipedia:
Goose bumps, also called goose flesh, goose pimples, chill bumps, chicken skin, funky spots, Dasler Bumps "chicken bumps" or the medical term cutis anserina, are the bumps on a person's skin at the base of body hairs which may involuntarily develop when a person is cold or experiences strong emotions such as fear, awe, admiration or sexual arousal. The reflex of producing goose bumps is known as horripilation, piloerection, or the pilomotor reflex. It occurs not only in humans but also in many other mammals; a prominent example are porcupines, which raise their quills when threatened, or sea otters when they encounter sharks or other predators....Show more

I dont get them that often but do tend to give them to people :P...Show more