curl (one's) hair(redirected from curls their hair)
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curl (one's) hair
To shock or terrify someone. That horror movie sure curled my hair—I could not sleep for a week! Geez, don't sneak up on me like that, you're gonna curl my hair!
curl someone's hairand make someone's hair curl
Fig. 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.