(informal) Unspecified things or matters.

A tangible substance that makes up a physical object, as well as an abstract substance or character, and can also refer to paper stock ground ready for use.

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

(slang) Narcotic drugs, especially heroin.

(sometimes euphemistic) Refuse or worthless matter; hence, also, foolish or irrational language.

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

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

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

(transitive, cooking) To fill with seasoning.

(transitive) To load goods into (a container) for transport.

(transitive, used in the passive) To sate.

(takes a reflexive pronoun) To eat, especially in a hearty or greedy manner.

(transitive, Britain, Australia, New Zealand) To break; to destroy.

(transitive, vulgar, Britain, Australia, New Zealand) To sexually penetrate.

(transitive, mildly vulgar, often imperative) Used to contemptuously dismiss or reject something. See also stuff it.

(informal) To heavily defeat or get the better of.

(transitive) 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.

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

(transitive) To form or fashion by packing with the necessary material.

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