panic attack(redirected from a panic attack)
1. An episode of acute anxiety and fear, marked by such physical symptoms as heart palpitations and hyperventilation. My panic attacks got so bad at one point that I was afraid to leave the house.
2. By extension, a particularly frightening, jarring, or anxious experience. I thought I had lost my keys and just about had a panic attack.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.