「duang」是什么意思？

出自对香港影星成龙代言的霸王洗发水广告的恶搞，用来形容某个动作效果、模仿某种特效配音，多指一瞬间达到的特殊效果

ENFrom a spoof of a Bawang shampoo commercial endorsed by Hong Kong movie star Jackie Chan, used to describe a certain action effect, imitate a certain special effect sound effect, and mostly refers to a special effect achieved in an instant.