Read Edit View history 突突 tūtū chugging Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 突突 tūtū chugging sound of short and continuous rhythms, such as an engine chugging Edit Delete 突突 tūtū to spray (colloquial) to fire a gun rapidly; to spray bullets or liquid Edit Delete References Add reference No references for this word.