WW2 SLANG

BILLJIM
An Australian. A composite word formed from two popular Australian forenames of the time.
 
BINT
A young woman. From Arabic bint, daughter.
 
BISCUITS
Small, hard mattresses, 2ft 6in square. Three made a bed for one man in a barracks.
 
BIVVY
Bivouac. A form of temporary shelter. To bivvy up - to set up shelter, usually for the night.