tear (one's) hair
To be extremely anxious, worried, frustrated, or stressed out about something. We've been tearing our hair trying to figure out what's causing the server outages. The kids have been out of control all morning long—they've got me tearing my hair!
tear one's hair (out)
Fig. to be anxious, frustrated, or angry. I was so nervous, I was about to tear my hair. I had better get home. My parents will be tearing their hair out.
tear one's hair
Also, tear out one's hair. Be greatly upset or distressed, as in I'm tearing my hair over these errors. This expression alludes to literally tearing out one's hair in a frenzy of grief or anger, a usage dating from a.d. 1000. Today it is generally hyperbolic.
tear your ˈhair (out)
(informal) be very worried or angry: Why are you so late home? Your mother and I have been tearing our hair out wondering where you were! tear (one's) hair
To be greatly upset or distressed.