bundle of nerves noun2 •A person with an especially nervous, excitable, or fearful disposition.She is a jittery bundle of nerves rather than the tough stoic she ought to be. — 1972 •(old-fashioned) A lively, continually active person.He found Pesita pacing back and forth before his tent—an energetic bundle of nerves which no amount of hard riding and fighting could tire or discourage. — 1914 formsbundles of nerves
