1. Phrase memorized by cult followers to insure the continuation of the cult.
2. Advertising gimmick used by corporations to get free advertising.
3. Phrases memorized by people who can not think for themselves.
A 'slogan' is a phrase used to attract attention, as in advertising.
A 'slogan' is a rallying cry, as of a political party.
A 'slogan' is originally, the war cry or gathering cry of Scottish Highland and Irish clans.
"Yes they did. They died in Somalia and Bosnia."
or the U.S. army slogan "be all you can be"
50 cent slogan "Get rich or die trying"