make somebody's hair curl

make (one's) hair curl

To cause someone an acute feeling of shame, embarrassment, or anguish. 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.
See also: curl, hair, make

make somebody’s ˈhair curl

(informal, humorous) shock or disturb somebody: The video contains some sex scenes that are enough to make your hair curl.
See also: curl, hair, make