n., adj., & adv.
n. 1 the sound of alternate chimes, as of two bells. 2 colloq. an intense argument or fight. 3 colloq. a riotous party.
adj. (of a contest etc.) evenly matched and intensely waged; thoroughgoing.
adv. with vigour and energy (hammer away at it ding-dong).
[ 16th c.: imit. ]