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.
See also: chill, down, goes, run, spine
Farlex Dictionary of Idioms.

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
See also: chill, down, goes, run, spine
Farlex Partner Idioms Dictionary
See also:
  • a chill runs/goes down (one's) spine
  • a shiver runs/goes down (one's) spine
  • a shiver runs/goes down somebody's spine
  • a shiver down (one's) spine
  • come a gutser
  • ask down
  • come down with
  • be down to (one)
  • be down to somebody/something
  • be down to (do something)