(fluf) noun
1. Nap or down.
2. Anything downy or fluffy.
3. Colloq. An error made in reading or speaking (lines): said of actors, etc.
—v.t.
1. To shake or pound so as to cause to puff out and become fluffy.
2. Colloq. To make an error in reading or speaking (lines).
—v.i.
3. To become fluffy.
4. Colloq. To make a fluff (def. 3). [? Blend of FLUE² + PUFF]

(fluf) noun
A flash, as of loose powder; puff. [Imit.]