Green’s Dictionary of Slang

Rafferty’s rules n.

also O’Rafferty rules, Rafferty rules
[despite use of capital ‘R’, which implies a proper name, the term comes f. mispron. of SE refractory; note Seal, The Lingo (1999): ‘rafferty’s rules, meaning no rules at all, seems to be an Australianization of a British dialect term for confusion or mess, raff or raffety’]

1. (Aus./N.Z.) no rules whatsoever, anything goes; note ad hoc adj. rafferty in cit. 1927.

Eve. Mail (Fremantle, WA) 18 June 3/4: Some of the players thinking O'Rafferty rules the correct one for the game, made it fast from the start.
Indep. (Footscray, VIC.) 15 July 3/4: The umpire lost all control of the game, and it became a case of Rafferty’s rules with the players.
[NZ]A. Hutton letter in Phillips, Boyack & Malone Great Adventure (1988) 17 Mar. 237: You should have seen what a mess we made of it. Rafferty Rules was the order of the day and our company which was once the best in camp were all over the place.
[Aus]Portland Guardian (Vic.) 26 Feb. 3/1: Peter v. Adam — Rafferty’s Rules [...] Some amusing evidence in what appeared to be a ‘rough and tumble mix up’ was heard at Portland Police Court.
[NZ]A.R.D. Fairburn letter 24 Jan. in Edmond Letters (1981) 18: I have a water colour here [...] It’s a bit rafferty though, and I may wait and do a decent one.
[Aus]Register (Adelaide) 19 Sept. 8/4: ‘The Seamen’s Union,’ the witness declared, ’has no rules — only Rafferty’s Rules’.
[Aus]Sun. Times (Perth) 15 Sept. 7/5: Indeed, it has been a case of ‘afferty’s Rules’.
[Aus]Argus (Melbourne) 28 Aug. 4/7: At first the opponent using brute force and Rafferty’s rules is on top.
[Aus]Baker Popular Dict. Aus. Sl. 58: Rafferty rules, no rules at all, applied to any system, organisation or contest run in slip-shod fashion.
[Aus]Argus (Mwelbourne) 25 Feb. 0/5: Rafferty’s rules prevailed among the many thirsty people who waited.
L.F. Crisp Ben Chifley: Biography 218: But I know Rafferty’s rules, too. I graduated in the Labour Movement in Sydney, where there are no beg pardons.
[Aus]G.W. Turner Eng. Lang. in Aus. and N.Z. 114: raffertys rules ‘no rules at all’.
[Aus]C. Bowles G’DAY 98: A bloke who doesn’t know what he’s about doesn’t know if he’s Arthur or Martha. [...] Such people often get things arse about face and anything they’re involved in is very muddled and runs on Rafferty’s Rules.
[Aus]P. Doyle (con. late 1950s) Amaze Your Friends (2019) 121: ‘[Prison] is Rafferty’s rules, not Queensberry’s’.
[UK]Indep. Rev. 10 June 4: Rafferty’s rules: No rules (Aus).
[Aus]T. O’Farrell Behind Enemy Lines 196: In stark contrast to the controls placed over weapons and ammunition these days, Rafferty’s Rules prevailed in Vietnam.

2. in attrib. use of sense 1.

[Aus]P. Corris ‘Marriages Are Made in Heaven’ in Heroin Annie [e-book] I could hear his harsh breathing and feel his agitation; the Rafferty’s rules style of the real hard men were becoming clear to him.