duang其实是英文【twang】
1.鼻音（通常指方言）used to describe a way of speaking, usually one that is typical of a particular area and especially one in which the sounds are produced through the nose as well as the mouth2.（乐器等的）拨弦声a sound that is made when a tight string, especially on a musical instrument, is pulled and released传到香港后变为【动L】传到大陆后变为【duang】或新造字【?成龙】。
