See litterbug for more litter loutBrE /ˈlɪtə laʊt/ 🔊NAmE /ˈlɪtər laʊt/ 🔊 (BrE) (also ˈlit·ter·bug NAmE, BrE ) noun (informal, disapproving) a person who leaves litter in public places (在公共场所)乱扔垃圾的人;垃圾虫