Green’s Dictionary of Slang

Joe Louis n.

[proper name of US heavyweight champion Joe Louis (1914–81), reflecting either his size or his strength]

1. (W.I.) a large, solid cake.

[WI]cited in Cassidy & LePage Dict. Jam. Eng. (1980).

2. (W.I., Jam.) home-distilled rum.

[WI](con. 1950s) M. Thelwell Harder They Come 46: A demi-john of raw, white estate rum known locally as Joe Lewis or rude-to-parents because of its potency.

3. (US) ‘bad’ or homemade liquor.

[US]in DARE.