fluff² v [T] 1 also 又作 fluff up/out to make something soft appear larger by shaking or brushing it 抖松，抖开: a bird fluffing out its feathers 在抖松身上羽毛的鸟 2informal to make a mistake or do something badly 【非正式】 把…弄错; 把…搞糟: Ricky fluffed the catch and we lost the game. 里奇没有接住球，结果我们输了比赛。