jiggling

a series of slight movements by a body back and forth or from side to side the nerve-rattling jiggling we got when we drove over the railroad tracks Synonyms vibration, oscillation, quivering, shaking, shivering, shuddering, trembling, twitchingRelated Words juddering [chiefly British], quaking, rocking; jiggle, palpitation, quiver, shake, shiver, shudder, tremble, tremor, twitch