tear (one's) hair out
To be extremely anxious, worried, frustrated, or stressed out about something. We've been tearing our hair out 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 out!
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
To be greatly upset or distressed.