Part of speech: Noun
any light downy material
Part of speech: Noun
something of little value or significance
Part of speech: Noun
a blunder (especially an actor's forgetting the lines)
Part of speech: Verb
erect or fluff up
Example: the bird ruffled its feathers
Part of speech: Verb
make a mess of, destroy or ruin
Example: I botched the dinner and we had to eat out; the pianist screwed up the difficult passage in the second movement
Part of speech: Verb
ruffle (one's hair) by combing the ends towards the scalp, for a full effect