
On the rack
Emotional Stress
Used to show that someone is experiencing a lot of emotional stress, like worry or fear.

After the scandal, he's been on the rack, scared to face his colleagues.
Physical metaphor
The phrase stems from the idea of being stretched painfully on a medieval torture device, the rack.

Waiting for the test results felt like being on the rack.
Informal Use
It's an informal phrase, more appropriate in casual conversations, not formal situations.

She's been on the rack ever since the breakup, dude.
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