FLUFF

I. noun Etymology: perhaps blend of flue (~) and puff Date: 1790 down VII,1, something ~y , something inconsequential, blunder , II. verb Date: 1835 transitive verb to make ~y , 2. to spoil by a mistake ; botch , to deliver badly or forget (one's lines) in a play, intransitive verb to become ~y, to make a mistake