Green’s Dictionary of Slang

swear and curse n.

a bus.

1938		L. Ortzen Down Donkey Row 115: A bus passed them slowing down. ‘Let’s ’op on this swear and cuss,’ cried Charlie.
1960		J. Franklyn Dict. of Rhy. Sl.
1972		Dodson & Saczek Dict. of Cockney Rhy. Sl.
1992		R. Puxley Cockney Rabbit.
2002		B. Kirkpatrick Wicked Cockney Rhy. Sl.