Green’s Dictionary of Slang

1. the pubic hair.

1937–84

Partridge DSUE (1984) 1028/1: mid-C.19–20.

2. (Aus.) a loaf of bread made from inferior materials.

1945

Baker Aus. Lang. 44: Perhaps the first authentic example of convict slang in Australia was the use of scrubbing brushes for bread containing more chaff and bran than flour.