'ding-dong' definitions:

Definition of 'ding-dong'

From: WordNet
noun
The noise made by a bell

Definition of 'ding-dong'

From: GCIDE
  • dingdong \ding"dong`\, ding-dong \ding-dong\, n. [See Ding.]
  • 1. The sound of, or as of, repeated strokes on a metallic body, as a bell; a repeated and monotonous sound. [1913 Webster]
  • 2. (Horol.) An attachment to a clock by which the quarter hours are struck upon bells of different tones.
  • 3. a stupid or foolish person; -- used in a deprecatory or contemptuous sense. [slang]
  • Syn: ding-a-ling, doofus. [PJC]