Green’s Dictionary of Slang

tuck-in n.

[tuck in v. or ext. of tuck n.1 (1)]

1. a good meal.

[US]T. Haliburton Nature and Human Nature I 244: They talked of [...] taking a tuck-in at lunch.
[UK]Hotten Sl. Dict. 262: Tuck in, or tuck out, a good meal.
[UK]Hotten Sl. Dict.
[UK]G.F. Northall ‘Momus’ Misc. 33: To enter a pastry cook’s shop, and have a good tuck in.
[Aus]‘Rolf Boldrewood’ Robbery Under Arms (1922) 80: He’d had a pretty good tuck-in himself.
[Aus]Coburg Leader (Vic.) 6 Apr. 4/3: Not content with having a good tuck-in on Saturday night, the water melon push stow away for the Sabbath also.
[UK]Boy’s Own Paper 29 Oct. 68: I’ll stand you a tuck-in if you’ll help.
J. Conrad ‘The Heart of Darkness’ in Blackwood’s Mag. Mar. 489/1: Why in the name of all the gnawing devils of hunger they didn’t go for us – they were thirty to five – and have a good tuck in for once, amazes me now when I think of it.
[US]Firefly 9 Dec. 1: I had a good tuck in and a nice warm in front of that roaring fire.
[NZ]‘Anzac’ On the Anzac Trail 9: By the wish of the men the evening meal was made the principal one; it was always a solid, hot tuck-in.
[Ire]Joyce Ulysses 358: Blown in from the bay [...] Always at home at dinnertime. Looks mangled out: had a good tuck in.
[US] (ref. to late 19C) N. Kimball Amer. Madam (1981) 105: After a good tuck-in at lunch, Zig would open the first two buttons on his pants.
[UK]M. Harrison Reported Safe Arrival 48: You, if you were back in ‘civvy street’ [...] would you not begrudge a tuck-in to men who had long been denied.
[UK]C. Harris Three-Ha’Pence to the Angel 43: All ’e’s interested in is a tuck-in [...] ’e finishes up in a posh restaurant place.
[Aus]P. White Solid Mandala (1976) 96: Aren’t you hungry? [...] I am! I’m looking forward to a good tuck-in.

2. a hearty eater.

[UK]Bury & Norwich Post 15 May 2/6: He was always a jolly good tuck-in.