JITTERS

[plural] [noun] [informal] - a feeling of nervousness which you experience before something important happensI always get the jitters the morning before an exam.By the second performance, some of the first-night jitters were over and the actors began to relax a bit more.(figurative) The collapse of the company has caused jitters in the financial markets.If you give someone the jitters, you make them nervous or frightened.Come away from that cliff edge! You're giving me the jitters!