Definition of kill or cure in English:

kill or cure

phrase

British
  • (of a remedy for a problem) likely to either work well or fail catastrophically, with no possibility of partial success.

    ‘the spring Budget will be kill or cure’
    • ‘It is kill or cure both for the NHS and for the Government's reputation.’
    • ‘It is a radical, kill or cure treatment - both for the NHS and for Labour's electoral chances.’
    • ‘Then, after a greasy breakfast that was definitely kill or cure, we were into the jet boat and speeding up the river.’

Pronunciation

kill or cure

/ˌkɪl ɔː ˈkjʊə/