Synonyms of twitching

1 Syllable
lug, nip, tic, snap, clasp, snatch, grasp, pain, tug, squirm, blink, lurch, kick, pull, pluck, grab, jump, grip, yank, beat, jerk, clutch
2 Syllables
shiver, shudder, jiggle, jerkier, writhing, twinge, seize, flutter, jerky, tremble
4 Syllables
convulsive, vellicate, palpitate, paroxysmal