A nickname or epithet.
Someone or something that stands as an example (i.e. metonymically) for something else, by having some of that something's characteristic traits.
A characteristic word or expression; a word or phrase associated with a person or group.
A proverb or proverbial expression, common saying; a frequently used word or phrase.
An object of notoriety or contempt, scorn or derision.
A designation or name given to an object, person or location.
A noun.