knock down and drag out
/ˈnɑkˌdaʊn ən ˈdræɡ ˌaʊt/
adjective
- Very violent, intense, or bitter, especially describing a fight or argument.
- It was a knock-down-and-drag-out brawl between the rival gangs.
- The two politicians had a knock-down-and-drag-out debate that lasted three hours.
- Their divorce turned into a knock-down-and-drag-out legal battle over money.