Make somebody’s hair stand on end
Definition 1 of 1
Pro Tip 1/3Intense Fear
Describes a reaction to something extremely frightening or shocking. 
The haunted house at the fair is sure to make your hair stand on end.
Pro Tip 2/3Physical Reaction
Implies a physical response to fear, similar to goosebumps. 
Hearing the eerie cry in the night made her hair stand on end.
Pro Tip 3/3Not Literal
It's a figurative expression and doesn't mean hair actually stands up. 
His creepy story made my hair stand on end, but it was just a feeling.