Definition of go down the plughole in English:

go down the plughole

phrase

informal
  • Be unsuccessful, lost, or wasted.

    ‘the company went down the plughole’
    • ‘However, it's a crucial step because, without it, all your plans can go down the plughole.’
    • ‘Your money, ladies and gentlemen, is going straight down the plughole - and we all have every reason to be furious about it.’
    • ‘The pressure was building because so much had been achieved and now it was threatening to go down the plughole.’
    • ‘If the company became insolvent and pension contributions went down the plughole, workers would not receive any state aid, trustees argued.’
    • ‘‘Your money is going straight down the plughole and we all have every reason to be furious about it,’ he said.’