to make someone feel very shocked or upset (chocar, ficar abalado)
Infelizmente, eis um exemplo da vida real: "Yesterday, my sister had her car and handbag stolen, at gunpoint, when she was leaving her home, at 7 o' clock. She was very shook up." (Ela ficou abaladíssima).
(This phrasal verb has more than one meaning)
E.g.1: He was very shaken up by the accident, but he wasn't seriously injured.
E.g.2: I think the news shook him up.
Source: Knights English