Definition of stuffs:
(n) :
(informal) Miscellaneous items or objects; (with possessive) personal effects.
(n) :
(informal) Unspecified things or matters.
(n) :
The tangible substance that goes into the makeup of a physical object.
(n) :
Abstract/figurative substance or character.
(n) :
Paper stock ground ready for use. When partly ground, it is called half stuff.
(n) :
(informal) Used as placeholder, usually for material of unknown type or name.