Green’s Dictionary of Slang

band in the box n.

venereal disease.

1944		Maurer & Baker ‘“Aus.” Rhyming Argot’ in AS XIX:3.
1960		J. Franklyn Dict. of Rhy. Sl.
1972		Dodson & Saczek Dict. of Cockney Rhy. Sl.
1978		Maledicta II:1+2 (Summer/Winter) 119: Jack Jones adds band in the box (pox), fife and drum (bum, as in posterior).