Green’s Dictionary of Slang

crib n.2

[SE crib, a container for animal fodder]

1. the stomach.

[UK]R. Brome Jovial Crew II i: Here’s Pannam and Lap, and good Poplars of Yarrum, / To fill up the Crib, and to comfort the Quarron.

2. provisions; also attrib.

[UK]N. Ward ‘A Frolic to Horn-Fair’ in Writings (1704) 209: With as much indignation and Revenge, as a She-Mumper, when Bilk’d of her crib.
[UK] ‘The Cly-Pecker’ Swell!!! or, Slap-Up Chaunter 38: The tipp’ry was ask’d for the crib, and agree’d.
[Aus]T.A.G. Hungerford Riverslake 21: ‘Where can I go to look for him?’ ‘In the crib-room,’ one of the men at the bench voluteered.

3. (Aus./N.Z.) a snack, a light meal, a piece of bread, cake etc; thus cribtime.

[UK]Old Hunks in Darkey Drama 5 53: harry: I’m witness that you promised to give Tommy something better than a crib. tommy: A good round dinner.
[Aus]Stephens & O’Brien Materials for a Dict. of Aus. Sl. [unpub. ms.] 52: CRIB: miners term for a twenty-minute interval for food or smoke-ho, known as crib-time; and lunch carried to work is known as crib.
[Aus]E. Dyson ‘A Saturday at Spat’s’ in Fact’ry ’Ands 123: She [...] spoke a three minutes grace over a ‘crib’ of bread and jam that it took her two minutes to eat.
[Aus]K.S. Prichard Working Bullocks 105: The bullockies and swampers threw themselves under trees near the landing for crib, at midday [...] they sat there drinking black tea and eating their dry bread and sandwiches.
[Aus] ‘Whisper All Aussie Dict.’ in Kings Cross Whisper (Sydney) xxxiii 4/4: crib: The food taken to work. Not so much a popular expression in the city.
[Aus](con. 1930s) F. Huelin ‘Keep Moving’ 49: Bring your cribs and be on time.
[NZ]McGill Reed Dict. of N.Z. Sl. 55: crib/cribtime Mealtime or smoko in the South Island.