Green’s Dictionary of Slang

one and other n.

[rhy. sl.]

1. (UK und.) mother.

[UK]Thieves Slang ms list from District Police Training Centre, Ryton-on-Dunsmore, Warwicks 11: The one and other: Mother.

2. (Irish) brother.

[Ire]G. Coughlan Everyday Eng. and Sl. 🌐 one and other : our brother.