fluff
1. fluff \'fl*f\ n [prob. alter. of flue (fluff)] 1: NAP, DOWN 2: something fluffy 3: something inconsequential 4: BLUNDER; esp : an actor's lapse of memory 2. fluff vi 1: to become fluffy 2: to make a mistake; esp : to forget or bungle one's lines in a p lay 1: to make fluffy 2a: to spoil by a mistake : BOTCH 2b: to deliver badly or forget (one's lines) in a play