[knock-down-drag-out] or knock-down-and-drag-out adj (1834): marked by extreme violence or bitterness and by the showing of no mercy "~ political debates" -- knock-down-drag-out n
KNOCK-DOWN-DRAG-OUT
Meaning of KNOCK-DOWN-DRAG-OUT in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012