definition of
fluff

[1] #1 fluff n. any light downy material. wn

[2] #2 fluff v. [botch, bodge, bumble, fumble, botch up, muff, blow, flub, screw up, ball up, spoil, muck up, bungle, bollix, bollix up, bollocks, bollocks up, bobble, mishandle, louse up, foul up, mess up, fuck up] make a mess of, destroy or ruin; "I botched the dinner and we had to eat out"; "the pianist screwed up the difficult passage in the second movement". wn

[3] #3 fluff n. [bagatelle, frippery, frivolity] something of little value or significance. wn

[4] #4 fluff v. [ruffle] erect or fluff up; "the bird ruffled its feathers". wn

[5] #5 fluff n. a blunder (especially an actor's forgetting the lines). wn