What is the meaning of shake up?

verb

• Shock physically.
  • usage: "Georgia was shaken up in the Tech game"
  • synonyms: jar, bump around
• Organize anew.
  • usage: "We must reorganize the company if we don't want to go under"
  • synonyms: reorganize, reorganise
• Shake; especially (a patient to detect fluids or air in the body.
  • synonyms: succuss
• Stir the feelings, emotions, or peace of.
  • usage: "These stories shook the community"; "the civil war shook the country"
  • synonyms: stimulate, shake, excite, stir
• Change the arrangement or position of.
  • synonyms: agitate, vex, disturb, commove, stir up, raise up
• Make fuller by shaking.
  • usage: "fluff up the pillows"
  • synonyms: fluff up, plump up