Green’s Dictionary of Slang

joe savage n.

a cabbage.

1859, 1860		Hotten Dict. of Modern Sl. etc.
1864, 1867, 1870		Hotten Sl. Dict.
1873		Sl. Dict.
1928		Bath Chron. 4 Aug. 25/6: An enthusiast arrived [...] to quote: [...] ‘Joe Savage,’ a cabbage; ‘bowl the hoop,’ soup; ‘Billy Button,’ mutton.