(a.) Having the power of vellicating, plucking, or twitching; causing vellication.

agitated all shook up all-overish bustling convulsive discomposed disquieted disturbed eclamptic excited feverish fidgeting fitful flurried flustered fluttering fluttery fretful fussing fussy goosey high-strung in a quiver jerking jerky jiggety jittery jumpy nervous nervy orgasmic perturbed quivering quivery restive restless ruffled saltatory shaken shaken up shaking shaky shivering shivery shook up skittery spasmodic spastic spooky stirred up tense trembling trembly tremulant tremulous troubled troublous turbulent twitchety twitching twitchy twittery uneasy unpeaceful unquiet unrestful unsettled upset vellicative