Dictionary

Anything light, soft or fuzzy, especially fur, hair, feathers.

Anything inconsequential or superficial.

Example: That article was basically a bunch of fluff. It didn't say anything substantive.

A lapse or mistake, especially a mistake in an actor's lines.

Marshmallow creme.

Example: That New England-style salami and fluff sandwich sure hit the spot!

To make something fluffy.

Example: The cat fluffed its tail.

To become fluffy, puff up.

To move lightly like fluff.

(of an actor or announcer) To make a mistake in one's lines.