Green’s Dictionary of Slang

golly! excl.

also gaully! gollies! golly dog! golly Moses! gollys! great golly! my golly!
[DSUE suggests a black origin, but the OED citation (G. White, Journals, 1775) talks of: ‘Golly, a sort of jolly kind of oath, or asseveration much in use among our carters, & lowest people’]

(mainly US/UK juv.) an extra-mild euph. for God!

G. White Journals 21 Dec. (1931) 117: Gouleins (Gothic) salutatio: hence perhaps our word Golly, a sort of jolly kind of oath, or asseveration much in use among our carters, & lowest people.
[US]J.F. Cooper ‘The Spy’ Novel Newspaper (1845) I 176/1: ‘Golly!’ said Caesar, with a chuckle.
[US]R.M. Bird City Looking Glass II iii: Golly! Mr. Bolt is satirical.
[UK] ‘Plunder Creek’ Bentley’s Misc. Feb. 127: But golly! a governor he mighty smart for a white man.
[US]‘Jonathan Slick’ High Life in N.Y. I 194: Gracious gaully how you talk!
[US]G.W. Harris ‘There’s Danger in Old Chairs!’ Weekly Nashville Union XIII Oct. in Inge (1967) 70: De great golly!
[US]W.C. Hall ‘Mike Hooter’s Bar Story’ Spirit of the Times 26 Jan. (N.Y.) 581: Golly! what a lie!
[UK]M. Reid Scalp-Hunters II 65: Great Gollys! we will be froze in half the time. [Ibid.] 121: Gollies! was it winter?
[US]E.K. Wightman letter 8 Oct. in Longacre From Antietam to Fort Fisher (1985) 58: Golly! didn’t we grunt!
[UK]Cythera’s Hymnal 55: And she swears by Gole.
[US]W.H. Thomes Slaver’s Adventures 186: ‘Can’t you get rid of these blacks? I want to be alone for a few minutes.’ ‘Golly, can’t I,’ he exclaimed.
[UK]Leeds Mercury 1 Nov. 6/2: Golly! what a walloping you gave me!
[UK]W.B. Churchward Blackbirding In The South Pacific 27: Golly! how that coward did run! [Ibid.] 106: My golly! he looked so very ferocious.
[US]Opelousas Courier (LA) 10 Aug.2/5: But by gollys you jest ought to come down and ride around [...] and see the crops me and Buck are growin’.
[UK]Kipling ‘Stalky’ Complete Stalky & Co. (1987) 20: Golly! how that heifer danced!
[NZ]N.Z. Observer 26 Dec. 19/1: by Golly, that was a good swop, they’ll take me for a blooming parson.
[UK]Gem 16 Mar. 4: Brazil! Oh, golly!
[Aus]Sun. Times (Perth) 24 May 4/8: We’ve emitted oaths, / ‘Bli’me,’ ‘Blank’ and ‘Golly’.
[UK]Marvel 22 Jan. 21: ‘Golly, golly!’ murmured Pete.
[Aus]Argus (Melbourne) 10 June : By golly! wasn’t it hot’ Bullets and shrapnel were flying everywhere.
[US]Pittsburgh Press (PA) 14 June 12/5: ‘By gollies!’ said Gus.
[US]N. Putnam West Broadway 126: By gollies, it's done my heart good to see all these building fellers getting theirs.
[UK]Wodehouse Clicking of Cuthbert 3: And, golly! how she succeeded.
[US]Odum & Johnson Negro Workaday Songs 86: Shin up a tree, no time to be los’, / ’Cause here’s de dawgs, and golly, de boss!
[US](con. 1920s) J.T. Farrell Young Manhood in Studs Lonigan (1936) 371: Golly, I don’t think so.
[UK]Film Fun 8 Sept. 1: Oh Golly! Help me Olly.
[Aus](con. 1830s–60s) ‘Miles Franklin’ All That Swagger 226: Golly, the old cove is a hard case – gets rummier every day.
[UK]G. Fairlie Captain Bulldog Drummond 214: Golly — the whole bag with one shot!
[US]T. Capote Breakfast at Tiffany’s 91: But oh gee, golly goddamn [...] I did love him. The rat.
[US]E. Stephens Blow Negative! 207: ‘Golly Moses,’ the second boy said, swallowing hard.
[UK]‘Hergé’ Tintin and the Land of Black Gold 9: Golly, some bone.
[UK]Beano Comic Library No. 176 29: Oh, my golly goshikins! What a mess!
[UK]R. Barnard Fatal Attachment (1993) 171: ‘Golly,’ said Mary, impressed.
[UK]Guardian G2 14 Jan. 18: Golly, as Miss Broke-Smith is apt to say, golly, this is good stuff.
[US]D. Sedaris When You Are Engulfed in Flames (2009) 222: ‘Golly,’ I say. ‘Thanks’.

In derivatives

golly-gee (adj.)

(US) naively enthusiastiic.

[US]D. Lehr Fence 88: ‘I loved the job, and it was more than what I expected,’ he said. Mike could almost sound golly-gee about it.

In exclamations

by golly! (also by gaully! by goley! by gollies! by golliers! by gollikers! by jolly! ike ollies!)

a mild euph. for by God!

Memoirs Soc. Grub Street II 278: [He] immediately declared that he never read any thing so good in his whole life : By golly (says he), h’as maul’d the parsons.
N. Drake (ed.) Gleaner (London) I :20 148: [as 1737].
Casket of Lit. 522/1: Meeting a friend, Sambo was asked if they looked like each other. ‘Yes, by Golly,’ replied he, ‘so much that you can't tell them apart’.
[US]A. Greene Life and Adventures of Dr Dodimus Duckworth I 87: I’ll kill him if he ever stings me again – by golly!
[US]‘Jonathan Slick’ High Life in N.Y. I 207: By gaully! I’ll have a try at it this time.
[US]St Landry Whig (Opelousas, LA) 5 Sept. 1/5: By jolly! that was rather a critical predicament.
[US]J.R. Lowell Biglow Papers (1880) 15: My folks to hum air full ez good ez hisn be, by golly!
[US] ‘How Sally Hooter Got Snake-Bit’ in T.A. Burke Polly Peablossom’s Wedding 70: Poisoned, by golly!
[US]Lewiston Gaz. (PA) 14 Nov. 1/5: Look! hilloa! By Golliers, yonder’s a house!
[UK](con. 1840s–50s) H. Mayhew London Labour and London Poor III 194/1: By golly, if you don’t leave off, I’ll broke you over de jaw.
[US]A.F. Hill Our Boys 103: By jolly! I’d like to be onto that boat.
[US]Schele De Vere Americanisms 595: The Yankee is peculiarly fertile in variations on the name of God, and gives a striking proof of his ingenuity in inventing new forms for the forbidden I swear. He has his by Gorram, by Goldam, and by Goshdang, by the side of the English oath by Golly.
[Scot] ‘The Fashionable Coaley’ Laughing Songster 99: Some can’t forget their wulgar pranks, / When fortune comes by goley.
Ottowa Free Trader (IL) 7 Feb. 8/1: By golly, Jule, I’s fined, but I cum mighty nigh gittin you into it, too. You must jes look out next time, suah, by golly.
[UK]W.B. Churchward Blackbirding In The South Pacific 95: By golly, boss! I’ll do everything you want.
[UK]Hartlepool Mail 6 Aug. 3/4: Ex-Senator Platt swears ‘By Caesar,’ and Mr Russell Sage ’By golly’.
[US]C.L. Cullen More Ex-Tank Tales 142: I’ll show ye, by golly.
[US]G. Herriman ‘The Family Upstairs’ [comic strip] I’ll fix that reptile this time, by gollies.
[US]G. Herriman Dingbat Family 8 Apr. [synd. cartoon strip] Ike ollies, it looked like it was all up the alley with the expedition for a minute, did n’t it?
[US]Van Loan ‘Sanguinary Jeremiah’ Old Man Curry 139: By golly, you ought to have your head examined.
[US]F.S. Fitzgerald ‘The Diamond as Big as the Ritz’ in Bodley Head Scott Fitzgerald V (1963) 82: By golly! [...] What an idiot I am.
[US]J. Sale Tree Named John 45: By Gollies, folkses, ef y’all is skeered uv ’im, Ah ain’t.
Intelligence Jrnl (Lancaster, PA) 18 Mar. 6/2: By gollies it tinkle, tinkle, tinkle seems to be getting worse.
[US]J.M. Cain Postman Always Rings Twice (1985) 71: By golly. Is swell.
[UK]Whizzbang Comics 32: By golly! Where did you get that marvellous racing car, Pip?
[US]W. Guthrie Seeds of Man (1995) 378: I can ride over an’ git myself married, an’ by gollikers, ride back over here ’n’ find Grampaw’s mine.
[US]B. Schulberg On the Waterfront (1964) 125: By golly we can keep them toeing the mark like we want ’ems.
[UK]Sun. Times 5 June n.p.: There’s nothing alive in there [...] Or they’d be skedaddling. Yes there is, by golly.
[Aus]R.G. Barrett You Wouldn’t Be Dead for Quids (1989) 91: By golly, Les [...] I’ve got a champion watch-dog here.
[US]D. Woodrell Muscle for the Wing 89: I told him I could hit an unshelled peanut from across the room, and, by golly, two or three times I did.
[UK]Indep. on Sun. Real Life 31 Oct. 5: But by golly, being a 12-year-old sex kitten [...] should be punishable.
[US]Blackboiz for Other Boiz 🌐 3 Jan. I like people and, by golly, they tend to like me back.