Slogan :  (noun)

1: a favorite saying of a sect or political group [syn: motto, catchword, shibboleth]

bugle call, byword, call to arms, call-up, catch phrase, catchword, clarion, clarion call, cliche, conscription, cry, device, epigraph, epithet, exhortation, expression, fad word, go for broke, gung ho, idiom, inscription, levy, locution, mobilization, motto, muster, pet expression, phrase, rally, rallying cry, rebel yell, recruitment, shibboleth, tag line, trumpet call, vogue word, war cry, war whoop, watchword,