make one's hair curl
idiom
informal
: to cause fright, shock, or surprise in someone
I've heard stories about that guy that would make your hair curl.
Cite this Entry
“Make one's hair curl.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/make%20one%27s%20hair%20curl. Accessed 4 Nov. 2025.
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