Green’s Dictionary of Slang

(US black) of a woman, to leave home and return married to a successful, wealthy (and usu. white) husband.

1935

Z.N. Hurston Mules and Men (1995) 9: I was just Lucy Hurston’s daughter, Zora, and even if I had – to use one of our down-home expressions – had a Kaiser baby [...] I’d still be just Zora to the neighbors.