to frighten or alarm someone; to shock someone with sight, sound, or taste.
Don't ever sneak up on me like that again. You really curled my hair.The horror film made my hair curl.
make (one's) hair curl
To cause one to experience an acute feeling of shame, embarrassment, or discomfort. Her story about the disastrous wedding made everyone's hair curl.The thought of having to give her presentation in front of an audience made her hair curl.
make someone's hair curl
shock or horrify someone. informal
This expression may have developed in the mid 20th century as a dramatic or humorous variation of make someone's hair stand on end (see hair).