Definition of knock someone on the head in English:

knock someone on the head

phrase

  • Stun or kill someone by a blow to the head.

    ‘If you knocked someone on the head and stole their wallet you would be punished.’
    • ‘Before Mackenzie could react, she was knocked on the head.’
    • ‘The next thing he knew something hard had knocked him on the head and he had awakened with a throbbing headache and an ugly bruise.’
    • ‘He was about to say something to her when the others realized it and knocked him on the head and dragged him away.’
    • ‘Godfrey had predicted prior to his disappearance that he would be knocked on the head.’
    • ‘Trying to break up a fight between his girlfriend and another girl, he was knocked on the head and then stabbed.’