Definition of keyed up in English:

keyed up

adjective

  • Nervous, tense, or excited, especially before an important event.

    ‘he was a really keyed up, anxious guy’
    • ‘everybody's completely keyed up and on edge’
    agitated, in a state of agitation, tense, stressed, overwrought, nervous, in a state of nerves, on edge, edgy, keyed up, strung out, jumpy, on tenterhooks, ruffled, flustered, flurried, perturbed, disquieted, fretful, fearful, frightened, scared, with one's heart in one's mouth, with one's stomach in knots, like a cat on a hot tin roof, shaking in one's shoes, on pins and needles, in a cold sweat