1) Announcement of a visitor 2) Bell sound 3) Call from the front door 4) Crackpot 5) Ding 6) Dong 7) Doorbell ring 8) Doorbell sound 9) Heartily or earnestly 10) Knock alternative 11) Peal 12) Ring 13) Slang for the penis 14) Slang for a rowdy party 15) Sound from a tower 16) Talk tediously 1) Ding 2) Roll 3) Twit 
• (n.) The sound of, or as of, repeated strokes on a metallic body, as a bell; a repeated and monotonous sound. • (n.) An attachment to a clock by which the quarter hours are struck upon bells of different tones.
Ding'dong` noun [ See Ding .] 1. The sound of, or as of, repeated strokes on a metallic body, as a bell; a repeated and monotonous sound. 2. (Horol.) An attachment to a clock by which the quarter hours are struck upon bells of different tones. 
Dingdong is slang for a noisy fight or shouting match.
[adv] - (informal) heartily or earnestly
adverb heartily or earnestly; `They fell to work dingdong`