your hair stands on end
(one's) hair stands on end
One is extremely frightened, nervous, or anxious. My hair stood on end reading the ghost story all alone in my house. When we go camping, every little noise outside my tent makes my hair stand on end. It could be a bear, after all! My hair always stands on end when I have to walk through a graveyard.
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
your ˈhair stands on end(informal) you feel very frightened, nervous or angry: When I first read the report my hair stood on end. ♢ This is a movie which will make your hair stand on end.
A hair-raising adventure, story, etc. is very frightening but often exciting.
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