Green’s Dictionary of Slang

ginger adj.

SE in slang uses

In compounds

ginger-cake (n.)

1. (US, also gingerbread) a person of mixed race; also attrib. [the ginger-toned shade of the person’s skin].

A.W. Tourgée Bricks without Straw 71: There were three or four hundred scholars [...] black, brown, white apparently, all shades of what we used to call ‘ginger-cake’.
[US]B.W. Green Virginia Folk-Speech 196: Ginger-bread negro.
[US](con. 1930s) R. Wright Lawd Today 105: What’s the damages, Gingerbread?
[US]in DARE II (1991) 677/1: (People of mixed blood – part Negro) [...] Ginger cake.

2. (S.Afr.) a policeman [the brown uniform].

[UK]J. Hobbs Thoughts in a Makeshift Mortuary 175: There were cops everywhere. [...] People used to call them ginger-cakes because of the khaki uniforms they wore.

3. see ginger n.2

ginger-nob (n.) [nob n.1 (1)]

a red-headed person.

[UK]P. Macgill Amateur Army 64: I’ll give old Ginger Nobby what for one day!
LEA LEA’S homepage 🌐 Crikey, bit of a ginger nob here [caption to photo of a ginger-haired man].
ginger peachy (adj.)

(US) usu. ironic use, splendid.

[US] in M. Daly Profile of Youth 228: Smooth tunes are ‘fine like wine’; Western songs are ‘ginger peachy’.
Englund Never Wave at a WAC [film] That’s just ginger-peachy! [HDAS].
M. Gattzden Black Vendetta 108: That’s real ginger-peachy [HDAS].
A.J. Elias She Was Eighteen and a Half 219: They usually start the same way, ‘Say Al, do you know anyone who would like to double his salary with a ginger peachy outfit.’.