make one's hair stand on end(redirected from make one's hair curl)
make (one's) hair stand on end
To scare or horrify someone. The screams coming from the old, dark house made my hair stand on end. When we go camping, every little noise outside my tent makes my hair stand on end. It could be a bear, after all!
make one's hair stand on end
Also, make one's hair curl. Terrify one, as in The very thought of an earthquake makes my hair stand on end, or Diving off a high board is enough to make my hair curl. The first term, first recorded in 1534, alludes to goose pimples prompted by fear, which cause the hairs around them to stand up. The variant dates from the mid-1900s.