嘀嗒 dīdā ticktock Origin Definitions Defs Strokes Stroke Words Sentences Sents 嘀 dī [onomatopoeia] Sound of dripping water, a ticking clock, or a car horn嗒 dā nounadverb [onomatopoeia] Describes a rhythmic clicking, ticking, or clattering sound, such as horse hooves, a machine gun, or a clock.