n. A name used in the oath “by jingo,” sometimes extended to “by the living jingo”: as, I won't do it, by jingo.n. [capitalized] A member of a section of the Conservative or Tory party in Great Britain which advocated a spirited foreign policy.Belonging or relating to the Jingoes: as, the Jingo policy; Jingo bluster. See I., 2.To force to a certain course of action by the influence of the Jingo spirit, that is, an aggressive bellicose patriotism.