Noun
A word used as a jocular oath.
A statesman who pursues, or who favors, aggressive, domineering policy in foreign affairs.
Source: Webster's dictionaryNever go to France Unless you know the lingo, If you do, like me, You will repent, by jingo. Thomas Hood
It is sometimes a comfort to me to think that the aeroplane is changing the conditions of warfare. In the next great war, we may see that sight unprecedented in all history, a jingo with a bullet-hole in him. George Orwell
Be as Radical as you like, be a Home Ruler if you must, but be a little Jingo if you can. Joseph Chamberlain