Twitchy

Adjective

 * 1) susceptible to twitching a lot.

Thesaurus
agitated, all shook up, all-overish, convulsive, eclamptic, fidgeting, fidgety, fitful, fluttery, in a quiver, jerking, jerky, jiggety, jittery, jumpy, orgasmic, quivering, quivery, saltatory, shaking, shaky, shivering, shivery, shook up, skittery, spasmodic, spastic, trembling, trembly, tremulant, tremulous, twitchety, twitching, twittery, vellicative