Green’s Dictionary of Slang

lump of coke n.

[rhy. sl. = bloke n.]

a man, a person.

1859, 1860		Hotten Dict. of Modern Sl. etc.
1864, 1867, 1870		Hotten Sl. Dict.
1873		Sl. Dict.
1927		Shields Dly News 2 Dec. 2/7: A ‘lump of coker (bloke) put out his ‘frying pans’ (hands) and caught it.