「動L」（粵音為dong6 l；IPA：），又稱「動呦」、「動啊」、「動AL」、「Dong'al」，在臺灣普遍改用注音符號「ㄉㄨㄤ」，而在中國大陸則稱為「Duang」，一個起源於2008年嘅網路用語，出自「霸王」防脫洗髮液嘅洗頭水廣告入面，成龍的普通話廣告入面有句：「……你拍一個廣告拍完以後加了很多特技，那頭髮動啊……很黑！很亮！很柔！」期間成龍七情上面，用聲音及手勢模仿因加咗特技而誇張地彈起的髮絲，而「動啊」的發音及嗰陣配合嘅動作因為太誇張有趣，引起網民爭相使用，成為網絡用語繼而成為潮語。
"Dynamic L" (dong6 l; IPA:), also known as "Dynamic Yo", "Moving", "Moving AL", "Dong'al", is commonly used in Taiwan to the phonetic symbol "ㄉㄨㄤ", and in Chinese mainland it is called "Duang", an Internet term that originated in 2008, from the shampoo advertisement of "Overlord" anti-hair loss shampoo, Jackie Chan's Mandarin advertisement has a sentence: "...... You added a lot of stunts after you shot a commercial, and it was launched...... It's dark, it's bright, it's soft!" During Jackie Chan's Seven Feelings, he used his voice and gestures to imitate the hair that was exaggerated due to the addition of special effects, and the pronunciation of "move" and the actions that were matched at that time were too exaggerated and interesting, causing netizens to scramble to use them, becoming an Internet term and then becoming a trendy language.