a bag/bundle of nerves

overwrought, nervous, easily frightened, a nervous wreck

I had two big conflicts and would end the day a bag of nerves, not knowing whether I'd come home with anything.  BNCI

My speech impediment makes people think I'm a bag of nerves, but it's not true.  BNCI

The irony is that this month, while you're exuding such apparent confidence, you'll feel on the inside like a bag of nerves.  BNCI

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