Fluff /(?)/

Fluff

n.
  1. Nap or down; flue[2]; soft, downy feathers.
  2. Anything light and downy, whose volume consists mostly of air, such as cotton or down.
  3. Something light and inconsequential; something not to be taken seriously; -- used commonly of literary or dramatic productions, and sometimes of people.
  4. A mistake, especially in the recitation of lines in a drama.

Fluff

v. t. & i.
  1. To make or become fluffy; to move lightly like fluff.

Fluff

v. t.
  1. To make a mistake in the performance of; -- used mostly of lines in a drama; as, he fluffed the last line of the act.