Green’s Dictionary of Slang

a feast, a hearty meal.

1823		‘Jon Bee’ Dict. of the Turf, the Ring, the Chase, etc. 181: Tuck-out — plenteous fare at dinner or supper.
1827		‘Moderate Appetite’ in Dibdin’s Vocal Gleaner 40: He once on a time, had a precious tuck-out [...] Just five pounds of venison, and four pound of sprats.
1837		‘Nights At Sea’ in Bentley’s Misc. June 628: Arter I’d had a good tuck-out, I goes on deck again.
1845		‘The Raid of the Aborigines’ in Bell’s Life in Sydney 4 Jan. 4/1: And they vow’d and they swore, with a terrible shout, / That of mutton or beef they must have a tuck out.
1848		Thackeray Vanity Fair I 63: His father [...] gave him two guineas publicly; most of which he spent in a general tuck-out for the school.
1858		R.S. Surtees Ask Mamma 19: Thinking what a tuck-out he would have in revenge for his country inn abstinence.
1866		Wild Boys of London I 5/2: Me and Hallelujah Jack just had a fine tuck out — two baked taters and a big trotter each.
1876		M.E. Braddon Dead Men’s Shoes II 40: No wonder you don’t care about our currant cake when you’re going to have a regular tuck out at half-past seven.
1882		Dundee Courier 22 Sept. 7/3: It’s worth a fellow’s while coming [...] if it’s only to get a good tuck out of Cornish pasties.
1896–9		H. Lawson ‘The Hero of Redclay’ in Roderick (1972) 297: She used to have plates of pudding and hot pie for me [...] and after the third tuck-out I thought it was good enough to do a bit of a bear-up in that direction.
1900		Bulletin (Sydney) 14 Apr. 14/1: I gave the niggers a good tuck-out when the rations did come, served out the rugs as far as they would go, and then shifted the mob to Deep Well.
1912		Bulletin (Sydney) 8 Aug. 15/1: If the Binghi of the North Australian coast were asked offhand what manner of tuck-out he most preferred, he would doubtless answer, with some promptitude, ‘Turtle, you!’.
1920		(?) H. Lawson ‘Previous and S’Samuel’ in Roderick (1972) 891: Dotty baked the ducks [...] like he baked the fish and we had a real good tuck-out for supper.
1951		E. Hill Territory 446: Tuck-out: A feast.
1975		K. Willey Ghosts of the Big Country xi: Where I had had my first tuck-out on rum and stolen beef.