shake up in WordNet English dictionary

1. change the arrangement or position of
   agitate  vex  disturb  commove  shake up  stir up  raise up 
   
2. shock physically
   "Georgia was shaken up in the Tech game"
   jar  shake up  bump around 
   
3. stir the feelings, emotions, or peace of
   "These stories shook the community"; "the civil war shook the country"
   stimulate  shake  shake up  excite  stir 
   
4. make fuller by shaking
   "fluff up the pillows"
   fluff up  plump up  shake up 
   
5. organize anew
   "We must reorganize the company if we don't want to go under"
   reorganize  reorganise  shake up 
   
6. shake; especially (a patient to detect fluids or air in the body)
   succuss  shake up 
   

shake up in English Wiktionary