'shake up' definitions:

Definition of 'shake up'

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

Synonyms of 'shake up'

From: Moby Thesaurus