Green’s Dictionary of Slang

a suit of clothes, an outfit; occas. extended to any collection of items (see cite 1881).

1821		W.T. Moncrieff Tom and Jerry I iv: This toggery of yours will never fit – you must have a new rig-out.
1835		G. Kent Modern Flash Dict. 27: Rig out – a suit of clothes.
1843		R.S. Surtees Handley Cross (1854) 373: He would stand a whole rig-out at Swan and Hedgar’s; pettikits, bustle and all!
1849		J.P. Townsend Rambles in New South Wales 89: He required a rig-out [...] that he might appear a ‘cabon swell,’ and some ‘white money’ (silver) that he might be able ‘to take his grog like a gentleman.’.
1857		D.P. Thompson Trappers of Umbagog 130: But what a rig-out! Wife, look here.
1863		T. Taylor Ticket-Of-Leave Man Act III: Lark, lush, and a latch-key — a swell rig-out, and lots of ready in the pockets — a drag at Epsom and a champagne lunch on the hill!
1877		‘’Arry on His ’Oliday’ in Punch 13 Oct. 161/1: The toffs may look thunder and tommy on me and my spicey rig out.
1881		Bulletin (Sydney) 9 Apr. 3/1: ‘Old Jack,’ a Scotch plumber, started from Forbes en route for Mount Browne—a journey of 600 miles—tbe other day, with a wheelbarrow, containing a complete ‘rig-out,’ including his tools of trade, personal effects, etc.
1882		Bristol Magpie 5 Oct. 11/2: We Hear [...] That the courteous Host of the Cliff Hotel, clothed the ‘damped one’ in a ‘rig out’ of his own.
1885		Bulletin (Sydney) 9 May 9/1: All the primary and most of the secondary colours were represented in her ‘rig-out’ – some before – many behind. Her cap was a marvel of ‘loudness.’.
1886		N.Z. Observer and Free Lance (Auckland) 20 Mar. 23/1: Young cock sparrow looks a deuce of a chump in the naval’s rig-out. Pretty cocky!
1890		H. Lawson ‘A Word to Texas Jack’ in Roderick (1967–9) I 65: Strike-me-balmy! if a bit o’ scenery / Like ter you in all yer rig-out on the earth I ever see!
1894		Truth (Sydney) 17 June 1/5: [of a suite of furniture] The rig-out is really fust-rate and includes dinin’-room, bedroom and library sweets.
1899		R. Whiteing No. 5 John Street 173: A fad every week at the ’osiers shops [...] a new rig-out for every fad.
1901		T.B. Reed Master of Shell 17: [W]e’ve got to get a rig-out of saucepans and kettles and a barometer and a canary, and all that.
1907		H. Lawson ‘I’m an Older Man than You’ in Roderick (1967–9 II) 232: When you’ve managed with the tailor for a rig-out of a sort, / And you find the coat and trousers are an inch or so too short.
1912		P.C. Wren Dew & Mildew 237: ‘Jerks gets a Hindu rig-out’.
1914		Sport (Adelaide) 30 Oct. 5/7: Where did CR get her magpie rig-out?
1918		K.F. Purdon Dinny on the Doorstep 94: Brigeen in all the dazzling novelty of a new rig-out which included shoes and stockings.
1924		‘Digit’ Confessions of a Twentieth Century Hobo 158: Owing to my rig-out, he had thought I was just out of the Army.
1936		(con. 1830s–60s) ‘Miles Franklin’ All That Swagger 226: She was hauled to light, and a rig-out – it could not be called a wardrobe – gathered for her.
1941		K. Tennant Battlers 153: I put on that new blue rig-out, and I got him alone in here, and I cried like the devil.
1951		Cusack & James Come in Spinner (1960) 399: I want a bit of advice from you on the rig-out I ought to wear.
1961		R.S. Close With Hooves of Brass 43: [A] momentary chagrin at seeing Pearl climb aboard in her snappy rig-out.
1964		J. Orton Entertaining Mr Sloane Act II: Why don’t you get smartened up? Get a new rig-out.
2021		L. McInerney Rules of Revelation 85: ‘[H]aven’t you a lovely rig-out on him.’ ‘That’s true, I do change his clothes the odd time’.