Green’s Dictionary of Slang

butcher’s off-cuts laid out on the chopping board, to which they stick.

1804		Morn. Post (London) 1 June 1/2: Persons wishing to supply the Workhouse [...] with meat of the best quality to consist of Clods and Stickings of Beef.
1857		Morn. Post (London) 11 June 1/3: Wanted at the House of Detention at Clerkenwell, Supplies [...] viz:— [...] good ox beef without bone consistings of clods and stickings.
1861		(con. 1840s–50s) H. Mayhew London Labour and London Poor I 196/1: The meat (for pies) is bought in ‘pieces’, of the same part as the sausage-makers purchase – the stickings.
1862		Reading Mercury 29 Nov. 3/2: County Gaol, Reading . All Persons Willing to Contract for the supply of [...] Beef (without the bone, in equal proportions of Clods, Stickings and veiny pieces).
1864, 1867, 1870		Hotten Sl. Dict.
1890–1904		Farmer & Henley Sl. and Its Analogues.
1909		J. Ware Passing Eng. of the Victorian Era.