There is also an adjective kinky that refers to unusual (paraphilic) sexual practices, tastes, material and items. A person can dress, for example, in "kinky" clothes.
A kinkster is a person who is into kinky subjects such as fetishism or BDSM.
A kink, in its original meaning, is a sharp bend or twist in a rope that results in a permanent deformation. Kink can also refer to an eccentric idea.