Green’s Dictionary of Slang

old fellow n.

1. the Devil.

[UK]‘Bill Truck’ Man o’ War’s Man (1843) 29: May the ould fellow receive you, ship’s corporals, boatswain’s mates [...] and all, into his own ugly bosom!

2. a man; also used as a term of address.

[US]A.N. Royall Letters from Alabama 6 Feb. 168: ‘Well, old fellow,’ said the Colonel, ‘how goes it;’ shaking hands cordially.
[UK]C.M. Westmacott Eng. Spy I 136: I say, old fellow, where are you entered?
[UK]Thackeray Vanity Fair I 319: How are you, old fellow?
[UK]‘Cuthbert Bede’ Adventures of Mr Verdant Green (1982) II 228: I should advise you, old fellow, to get your sit-upons seated with wash-leather.
[US]Poughkeepsie Jrnl (NY) 5 May 1/5: The owld fellow worked away as busy as a nailer [sic].
[UK]T. Hughes Tom Brown at Oxford (1880) 34: He was the most good-natured man in the world [...] and called everybody ‘old fellow’.
[UK]L. Oliphant Piccadilly 149: The free and easy ‘Frank, old fellow’ and ‘slap on the back’ style.
[UK]G.R. Sims Dagonet Ballads 69: I’ve been dozin’, old fellow, I think.
[UK]Bird o’ Freedom 1 Jan. 2/3: She calls her special friends ‘old fellow,’ or ‘Jones, old boy’.
[UK]Boy’s Own Paper 29 Dec. 198: How about that grub, old fellow?
[Ire]L. Doyle Ballygullion (1927) 92: The ould fellow was heart miserable about money.
[US]Wood & Goddard Dict. Amer. Sl. 37: old. Used to convey affection, as in old bean, old boy, old chap, old dear, old fellow, old thing, old top.
[US]‘F. Bonnamy’ Death on a Dude Ranch (1953) 54: What’s the matter, Joe, old girl, old thing, old fella?
[Ire]‘Myles na gCopaleen’ Best of Myles (1968) 390: I’m supposed to be gettin’ orders for th’oul fella in Cork.
[UK]R. Cook Crust on its Uppers 68: Don’t worry, old fellow.
[UK]L. Dunne Goodbye to The Hill (1966) 39: I thought the oul’ fella was really in for it.

3. (UK und.) a judge.

[UK][T. Wontner] Old Bailey Experience 43: ‘I would take one [i.e. stroke of the whip] for each month, if the old fellow (the judge) would let me off the imprisonment’.

4. God.

[US]‘Ned Buntline’ G’hals of N.Y. 15: ‘Per-haps!’ rejoined Ralph, with an undisguised sneer. ‘The Ole Feller comes along this way very often – don’t he!’.
[Ire]L. Doyle Ballygullion 89: But sure enough the Ould Fellow himself was again Michael that day.

5. an object, a thing.

[US]G.P. Burnham Memoirs of the US Secret Service 130: [of a ten-dollar note] ‘It’s a counterfeit,’ said Rugg quietly [...] ‘A dead-beat old fellow. Not worth a penny.’.

6. (also old fulla) the penis.

[US]Stag Party 225: She [...] takes the old fellow / Again by the throat .
[Aus]B. Humphries Barry McKenzie [comic strip] in Complete Barry McKenzie (1988) 18: All that ice cold Fosters has gone straight to the old feller. I’m bustin’ for a nice long snakes!
[Aus]D. Ireland Glass Canoe (1982) 76: Despite his size, my old feller is surrounded by grey [hairs].
[Aus]B. Humphries Traveller’s Tool 118: A colleague of mine once went to the quack because he thought he’d copped a dose and the Doc asked him if his old fella burned after he’d had a naughty.
[NZ]A. Duff One Night Out Stealing 103: Grab her hand and shove it down on the old fulla [...] Feel that for a boner, babe.
[Aus]Penguin Bk of More Aus. Jokes 241: When he came to a barbed-wire fence he rested the gun on the top strand and proceeded to throw his leg over. The gun was dislodged and went off. His old fellow copped the lot.
[Aus] www.thepantsman.com 🌐 I got the call up from the old fella’ that it was time to leave Nadia and go for a slash outside the off-stump.
[US]Spectator 4 Oct. 12/1: The trousers are round the ankles and — ping! — here’s one of my old fella looking a bit sullen.
[Aus]T. Spicer Good Girl Stripped Bare 33: Some of the brothers are kind old fellas. But others rub their ‘old fellas’ against kids’ bums.
[UK]J. Meades Empty Wigs (t/s) 208: [H]er degraded father [...] not so far gone in his cups that his old fella won’t stand to full attention.

7. one’s father; esp. Irish and often written as oul fella, to emphasize the Dublin pron.

[Aus]Bulletin (Sydney) 3 Oct. 15: Yes, I’m 72 ter-day, but I gotter good way ter go yet. The ole feller was 103 when ’e died, an’ mother’s 101 an’ still going strong.
[Ire]Joyce Ulysses 7: His old fellow made his tin by selling jalap to the Zulus or some such swindle.
[UK]S. Murphy Stone Mad (1966) 185: What blinded me ould fella to put me at this drudgery first day?
[UK](con. 1930s) D. Behan Teems of Times and Happy Returns 1045: Yer oulwan’s a lavatory cleaner, / Yer oulfella’s terrible mean. / They sit in the pub drinkin’ porter, / Yer washin’ has never been clean.
[Ire]H. Leonard A Life (1981) Act II: You’re as cracked as your oul’ fella was.
[Ire]T. Murphy Conversations on a Homecoming (1986) 32: Not bad he says and the few quid a week my auld fella gives me.
[Ire](con. 1945) S. McAughtry Touch and Go 159: My oul fella, stingy oul bastard, made me wear things until I was busting out of them.
[UK]J.J. Connolly Layer Cake 261: Don’t be tellin your old fella what we’re up to here.
[Ire]A. Killilea Boyo-wulf at https://boyowulf.home.blog 24 Mar. 🌐 And bloody right that a young lad [...] pay his way while under his auld fella’s roof.

8. a husband.

[UK]J. McClure Spike Island (1981) 278: And when she shuts up eventually he just said, ‘Yer old fella’s dead.’.