Definition of down the hatch in English:

down the hatch

phrase

informal
  • Used to express friendly feelings towards one's companions before drinking.

    ‘‘Down the hatch!’ he said, raising his mug’
    • ‘Drain that one, go on, down the hatch, there's plenty more.’
    • ‘One for you, two for me. Down the hatch!’
    • ‘‘Well,’ he thought ‘Down the hatch.’ Alex set the empty glass down on the bar and ordered another.’