A chill runs/goes down somebody's spine - Idioms by The Free Dictionary
a chill runs/goes down somebody's spine
a chill runs/goes down (one's) spine
A shudder is felt down one's back, due to either fear, anticipation, nervousness, or excitement. A chill runs down my spine every time I walk by that creepy old house. I felt a chill go down my spine at the thought of my exam tomorrow.
a ˈchill runs/goes down somebody’s spine,
send a ˈchill up/down somebody’s spine feel, or make somebody feel, horror and fear: When I read the details of the murder, a chill ran down my spine. ♢ The picture sent a chill up my spine. ▶ ˈspine-chilling adj.: a spine-chilling horror novel