Often used to describe a sudden feeling of fear or unease.
Al escuchar el relato de su viaje, un repeluco recorrió mi espalda, recordándome lo peligroso que puede ser.
Upon hearing the account of his trip, a shiver ran down my spine, reminding me how dangerous it can be.
A menudo siento un repeluco al recordar las historias de terror que me contaba mi abuela.
I often feel a shiver when recalling the horror stories my grandmother used to tell me.