Green’s Dictionary of Slang

hock-dockies n.

shoes.

1789		G. Parker Life’s Painter 173: Shoes. Hockey-dockies or box-irons.
1845		G.W.M. Reynolds Mysteries of London vol. 2 142: Hock-dockeys Shoes.
1864, 1867, 1870		Hotten Sl. Dict.
1873		Sl. Dict.