- 乌龙茶 wūlóngchá oolong teaA variety of semi-fermented tea produced mainly in Fujian, Guangdong, and Taiwan; it has a dark brown or amber color and a rich, sweet flavor.
- 乌龙球 wūlóngqiú own goala goal scored accidentally against one's own team in sports like soccer; from the Cantonese transliteration of the English "own goal" as [[乌龙|烏龍|wu1 long2]]
- 冻顶乌龙茶 dòngdǐngwūlóngchá Dongding Oolong teaA famous type of oolong tea from the Dongding mountain region in Lugu, Nantou County, Taiwan; it is known for its deep fermentation, golden-yellow color, and rich, mellow flavor.
- 搞乌龙 gǎowūlóng to mess upTo make a foolish mistake; to mess something up or create a misunderstanding through an error.
- 摆乌龙 bǎiwūlóng to mess things upTo make a mistake that leads to an embarrassing or unfortunate result; to screw things up.
- 乌龙指 wūlóngzhǐ fat-finger errora mistake caused by accidentally pressing the wrong key when entering data, especially in financial trading; can lead to major fluctuations in stock prices
- 乌龙面 wūlóngmiàn udonudon, a thick Japanese-style wheat-flour noodle; also written as [[乌冬面|烏冬麵|wu1 dong1 mian4]]