1
general::
Phrase(s): *all shook up
Sl. excited; disturbed and upset. (See also shook up. *Typically: be ~; get ~.) • She stole my heart, and I’m all shook up. • They were all shook up after the accident.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Greatly disturbed or upset, as in His letter left her all shook up. This slangy idiom uses shook instead of the grammatically correct "shaken" (for "agitated") and adds all for emphasis. [Second half of 1900s]
American Heritage Idioms