Definition & Meaning of "make one's hair stand on end"in English

What is the origin of the idiom "make one's hair stand on end" and when to use it?

The origin of the idiom "make one's hair stand on end" can be traced back to ancient folklore and literature. It is believed to have originated from the concept of the body's physiological response to fear or extreme emotions. This phrase is used in various contexts or occasions to describe situations that evoke strong and intense feelings of fear, horror, or extreme shock. It is commonly employed in storytelling, literature, or conversations involving scary or chilling experiences.