Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
knock-down-and-drag-out is an adjective meaning "extremely violent". It carries one recorded sense.
extremely violent
“a knock-down-and-drag-out fight”
colloquialism
Definitions, synonyms and semantic relations for knock-down-and-drag-out come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.