shibboleth \SHIB-uh-lith; -leth\ , noun:
1. A peculiarity of pronunciation, behavior, mode of dress, etc., that distinguishes a particular group of persons.
2. A slogan; a catchword.
3. A common saying or belief with little current meaning or truth.
Though the SEC is known for "dressing up" for gameday, shibboleths like houndstooth at Alabama, red pants in Georgia, and jorts in Florida keep it unique and team focused.