Green’s Dictionary of Slang

mangle n.1

the vagina.

[Aus]Bell’s Life in Sydney 3 Jan. 3/1: Mary Ann Brown, one of those funny ‘frail ones,’ [...] was charged [...] with being drunk in Kent-street, on Saturday night, ‘kicking up a shindy’ with a nigger, in the same street, about money that she.said was due to her for the use of her mangle (?).
[UK]Farmer & Henley Sl. and Its Analogues.