fluff

nouns

any light downy material
fluff
is derived from
fluffy
is a type of (narrower)
the tangible substance that goes into the makeup of a physical object
"coal is a hard black material"; "wheat is the stuff they use to make bread"
material, stuff
something of little value or significance
bagatelle, fluff, frippery, frivolity
a blunder (especially an actor's forgetting the lines)
fluff
is a type of (narrower)
an embarrassing mistake
bloomer, blooper, blunder, boner, boo-boo, botch, bungle, flub, foul-up, fuckup, pratfall

verbs

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"
ball up, blow, bobble, bodge, bollix, bollix up, bollocks, bollocks up, botch, botch up, bumble, bungle, flub, fluff, foul up, fuck up, fumble, louse up, mess up, mishandle, muck up, muff, screw up, spoil
erect or fluff up
"the bird ruffled its feathers"
fluff, ruffle
see also
fluff up
ruffle (one's hair) by combing the ends towards the scalp, for a full effect
fluff, tease