Definition of be (or have a) down on in English:

be (or have a) down on

phrase

British
informal
  • Feel hostile or antagonistic towards.

    ‘she had a real down on Angela’
    • ‘I am going to be accused of having a down on female drivers.’
    • ‘He could tell Zan was seriously down on herself.’
    • ‘There's never been a telly in this house, you see, Tim is very down on the telly.’
    • ‘‘Before I agreed to join Wigan, everyone was down on me and having a go because I was even considering it,’ he says.’
    • ‘Over the years, readers may have gained the idea that the police in general, and London's Met police in particular, had a down on demonstrations.’
    • ‘I really don't understand why they are so down on her.’
    • ‘To be fair, we were down on Episode III from the outset.’
    • ‘Everyone in the press is so down on dance music’