fetish

(noun) a form of sexual desire in which gratification depends to an abnormal degree on some object or item of clothing or part of the body. Example: "Common male fetishes are breasts, legs, hair, shoes, and underwear."

(noun) a charm superstitiously believed to embody magical powers. Synonyms: juju, voodoo, hoodoo, fetich.

(noun) excessive or irrational devotion to some activity. Synonyms: fetich. Example: "Made a fetish of cleanliness."