Green’s Dictionary of Slang

in the nude n.

food.

1979		R. Barker Fletcher’s Book of Rhy. Sl. 39: Those without any in the nude at all.
1998		C. Fitzpatrick ‘Gower ’98’ on Sussex University Canoe Club 🌐 So we scooted into Jim Brown, for a ship in full sail and to stuff our Jem Mace with some in the nude.
2002		B. Kirkpatrick Wicked Cockney Rhy. Sl.