adjective:characterized by 'jumps' or sudden variations
synonyms: edgy, fidgety, high-strung
Examples
trying to calm 'jumpy' passengers
Movie clips
Movie quotes
(..) scared of getting hurt. Lost my edge. There was an incident in a department store. Hey, man, you okay? You look a little jumpy. I'm fine. I'm fine. Ahhh! I think he's dead. And I'm still not right. (..)