Green’s Dictionary of Slang

a French person; thus frog-eating adj.

1775		‘The Englishman’s Wish’ Frisky Songster 5: Our vengeance we’ll hurl on these frogeaten foes, / Till their lillies does homage to the English rose.
1790		J. Freeth ‘The Jersey Expedition’ Political Songster 37: A marksman [...] Let fly through the Governor’s hat, / And took off the Frog-eater’s chin.
1800		‘Sung at Sadlers Wells’ Songster’s Companion 38: Strike, you frog-eaters, strike.
1811		‘The Victor Vanquishd’ Odd Fellows Song-Book 10: He saw the French line as long as Kew Wall [...] ‘Frog-eaters,’ cried bold Graham.
1823		J. Catnach Tom and Jerry’s Rambles Through Paris 1: Come on, ye frog-eaters, come on, come on.
[1834		Satirist (London) 5 Jan. 5/3: What's the use of your asking for my pa's port, eh, you set of frog-frying Cannibals].
1844		Leeds Times 22 June 6/1: Long Live the Brave! / Who Britons Save, / From starved frog-eating Frenchman’s jaws!
1845		R.S. Surtees Hillingdon Hall I 285: All in three days — ‘three glorious days,’ as Monsieur Frog-eater Frenchman would say.
1859		H. Kingsley Recollections of G. Hamlyn (1891) 172: ‘He is a walking mystery,’ said Jim; ‘but he is a noble good fellow, though unhappily a frog-eater.’.
1864		T.F. Upson diary 1 Jan. in Winther With Sherman to the Sea (1958) 92: ‘We hear the French have come over into Mexico.’ [...] He said, ‘We don’t want any of thier [sic] help—d--n thier [sic] frog eating souls.’.
1866		C.H. Smith Bill Arp 93: Some frog-eating Frenchman has written a book, and called it ‘Lee’s Miserables,’ or some other such name.
1875		Grange (MN) 6 July 3/2: A frog-eatin French son of a sea-cook.
1880		Nat. Police Gaz. (NY) 24 Jan. 11/2: [headline] frog-eating swindlers About a week ago two Frenchmen came to this city [etc].
1894		Truth (Sydney) 11 Feb. 1/3: This cannibalistic meaty / [...] / Consenting to blench,/ To the frog-eating French, / Will be run by the scruff to Tahiti.
1899		C. Rook Hooligan Nights 68: We ain’t goin’ to see the girl wronged by a bloody frog-eater.
1904		Sun. Times (Perth) 31 Jan. 11/3: One who’s fairly au fait / (As the frog-eaters say).
1908		D.G. Phillips Susan Lenox II 327: You don’t look Irish or Dutch or Dago—though you might have a touch of the [...] Frog-eaters.
1911		‘Sing Sing No. 57,700’ My View on Books in N.Y. Times Mag. 30 Apr. 5/2: Pere Goriot [...] This one is about an old fog-eater who [...] was bled from the parlor to the garret by a couple of flashy dames that belonged to the family.
1922		E.E. Cummings Enormous Room (1928) 86: And you fellers are always hangin’ round, talkin’ with them dirty frog-eaters that does the cookin’ and the dirty work round here.
1923		Sun. Times (Perth) 7 Oct. 205/5: I’ll ’ave a bit of you, yer big, frog-eatin’ dago! I’ll show you who won the plurry war.
1930		‘Dean Stiff’ Milk and Honey Route 205: Frog or frog eater – A Frenchman.
1933		(con. WWI) F. Richards Old Soldiers Never Die (1964) 53: He didn’t want a bloody lot of frog-eating bastards gaping at him.
1947		S. Lewis Kingsblood Royal (2001) 27: I don’t suppose the Jews like being called ‘kikes’ any more than my French-Canadian ancestors liked being called ‘frog-eaters’.
1954		J. Phelan Tramp at Anchor 111: One’s hated enemies, atheists, sub-human savages, frog-eaters, Frenchmen.
1983		Maledicta VII 22: The English thought the French taste for frog legs was bizarre and loathsome, and more than a century ago began calling the French frog eater, frog, [...] and the like.
1989		H. Rawson Dict. of Invective (1991) 229: frog eater, a Frenchman.
2004		A. Alexeev Adventures of Giulio Mazarini 151: Then one of the Spaniards rose and [...] barked: — You, frog eater, go to hell together with your stupid king.