Excitable

emotional sensitive nervous impatient restless volatile touchy irascible moody temperamental passionate impulsive fiery fierce vehement quick hasty rash edgy high-strung neurotic hysterical reckless intolerant uneasy agitable alarmable testy peevish hot-tempered short fused enthusiastic overzealous mercurial demonstrative fidgety galvanic inflammable skittish susceptible uncontrolled violent volcanic hot-headed