What is the meaning of Fluff?

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

Anything inconsequential or superficial.

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

A cloth diaper.

Marshmallow creme.

A passive partner in a lesbian relationship.

A fart. (Can we add an example for this sense?)

Fan fiction, or part of a fan fiction, which is sweet and feel-good in tone, usually involving romance.

A form of roleplaying which is inconsequential and not related to the plot; often used in the context of (but not limited to) filling time.

Short change deliberately given by a railway clerk, to keep back money for himself.

To make something fluffy.

To become fluffy, puff up.

To move lightly like fluff.

To make a mistake in one's lines.

To do incorrectly, for example mishit, miskick, miscue etc.

To break wind, to fart.

To arouse (a male pornographic actor) before filming.

To bring to a state of excitement.

To deliberately shortchange (a railway customer) and keep the money for oneself.

fluffy (and absorbent) stuff in a baby's diaper

Source: wiktionary.org