'knockdown-dragout' definitions:

Definition of 'knockdown-dragout'

(from WordNet)
adjective
Extremely violent; "a knock-down-and-drag-out fight" [syn: knockdown-dragout, knock-down-and-drag-out]

Definition of 'knockdown-dragout'

From: GCIDE
  • knock-down-and-drag-out \knock-down-and-drag-out\, knockdown-dragout \knockdown-dragout\adj. marked by extreme violence; -- of fights; also used metaphorically of fierce contests; as, a knock-down-and-drag-out fight; a knockdown-dragout competition for the browser market.
  • Syn: ferocious, fierce, knockdown-dragout, tearing. [WordNet 1.5 +PJC]