What is the meaning of Stuff?

Miscellaneous items or objects; (with possessive) personal effects.

Furniture; goods; domestic vessels or utensils.

Unspecified things or matters.

The tangible substance that goes into the makeup of a physical object.

A material for making clothing; any woven textile, but especially a woollen fabric.

Boards used for building.

Abstract/figurative substance or character.

Pulp; paper stock ground ready for use. When partly ground, it is called half stuff.

Used as placeholder, usually for material of unknown type or name.

Narcotic drugs, especially heroin.

A medicine or mixture; a potion.

Refuse or worthless matter; hence, also, foolish or irrational language.

A melted mass of turpentine, tallow, etc., with which the masts, sides, and bottom of a ship are smeared for lubrication.

Money.

To fill by packing or crowding something into; to cram with something; to load to excess.

To fill a space with (something) in a compressed manner.

To fill with seasoning.

To load goods into (a container) for transport.

To sate.

To eat, especially in a hearty or greedy manner.

To break; to destroy.

To sexually penetrate.

Used to contemptuously dismiss or reject something. See also stuff it.

To heavily defeat or get the better of.

To cut off another competitor in a race by disturbing his projected and committed racing line (trajectory) by an abrupt manoeuvre.

To preserve a dead bird or other animal by filling its skin.

To obstruct, as any of the organs; to affect with some obstruction in the organs of sense or respiration.

To form or fashion by packing with the necessary material.

To crowd with facts; to cram the mind of; sometimes, to crowd or fill with false or idle tales or fancies.

To compress (a file or files) in the StuffIt format, to be unstuffed later.

Source: wiktionary.org