- 1fluff something (informal) to do something badly or to fail at something synonym bungle He completely fluffed an easy shot (= in sport). Most actors fluff their lines occasionally.
- 2fluff something (out/up) to shake or brush something so that it looks larger and/or softer The female sat on the eggs, fluffing out her feathers. Let me fluff up your pillows for you. Word Origin late 18th cent.: probably a dialect alteration of 16th-cent. flue ‘down, nap, fluff’, apparently from Flemish vluwe.
BrE BrE//flʌf//; NAmE NAmE//flʌf//Verb Forms present simple I / you / we / they fluff
BrE BrE//flʌf//; NAmE NAmE//flʌf//he / she / it fluffs
BrE BrE//flʌfs//; NAmE NAmE//flʌfs//past simple fluffed
BrE BrE//flʌft//; NAmE NAmE//flʌft//past participle fluffed
BrE BrE//flʌft//; NAmE NAmE//flʌft//-ing form fluffing
BrE BrE//ˈflʌfɪŋ//; NAmE NAmE//ˈflʌfɪŋ//