Definition of shake someone up in US English:

shake someone up

phrasal verb

  • Rouse someone from lethargy, apathy, or complacency.

    ‘he had to do something to shake the team up—we lacked spark’
    • ‘It certainly made me want to shake him up at times and say, come on, Stevens, have a life…’
    • ‘To have someone love me like that was utterly incredible for me, and it shook me up.’
    • ‘He told him the manager's criticism was for the good of the team, that his words were designed to shake him up, not put him down.’
    • ‘The Beagle 2 is to address a question that could equally shake us up and our view of ourselves and the universe.’
    • ‘I'm still happy and all, but something happened today that shook me up.’
    • ‘I like the Telegraph but, despite doctor's advice, get the Independent and Guardian a couple of times a week to shake me up and let the descendants get a different world view from my rants.’
    • ‘This really shook Mel up and caused him to ask himself if his life was going in the right direction.’
    • ‘In desperation I invented a reason to drive over to Minehead, thinking that the hustle and bustle of the town would shake me up, get me going again.’
    put some life into, enliven, put some spark into, liven up, stir up, rouse, get going
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