horripilation
noun
hor·rip·i·la·tion hȯ-ˌri-pə-ˈlā-shən 
hä-
: a bristling of the hair of the head or body (as from fright or excitement) : goose bumps
Suddenly he was swept by horripilation. The goosebumps swept up from his ankles all the way to the nape of his neck, where the hairs stirred and tried to lift.
Stephen King
Stephen King horripilate
hȯ-ˈri-pə-ˌlāt
verb, transitive + intransitive hä-
horripilated; horripilating; horripilates
The Devil's Reign reads like a memoir with a supernatural element designed to entertain and horripilate the reader … ForeWord
ForeWord 
Word History
Etymology
borrowed from Late Latin horripilātiōn-, horripilātiō "bristling of hair," from horripilāre "to shudder" (Latin, "to become bristly or hairy," from horrēre "to be stiffly erect, bristle, shudder, shiver" + -i- -i- + -pilāre, verbal derivative of pilus "hair," of obscure origin) + Latin -tiōn-, -tiō, suffix of verbal action — more at horror entry 1
First Known Use
circa 1656, in the meaning defined above
Medical Definition
horripilation
noun
hor·rip·i·la·tion hȯ-ˌrip-ə-ˈlā-shən, hä-
: a bristling of the hair of the head or body (as from disease, terror, or chilliness) : goose bumps