[slo.gan] n [alter. of earlier slogorn, fr. ScGael sluagh-ghairm, fr. sluagh army, host + gairm cry] (1513) 1 a: a war cry or rallying cry esp. of a Scottish clan b: a word or phrase used to express a characteristic position or stand or a goal to be achieved
2: a brief attention-getting phrase used in advertising or promotion