from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A group of words, often originating in popular culture, that is spontaneously popularized after widespread repeated use
- n. A signature phrase of a particular person or group.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a phrase that has become a catchword
From catch + phrase. Of the notion that the phrase will catch in the mind of the user. (Wiktionary)