Green’s Dictionary of Slang

Battersea’d adj.

[EP suggests having one's penis treated for venereal disease on the basis of the curative herbs grown there; the context, men comparing penises at a gay brothel, suggests circumcision and plays on ‘go to Battersea to be cut for the simples’]

circumcised.

Select Trials at the Old Bailey II 370: I have heard some of them say Mine is best. Yours has been Battersea’d. — I don’t know what they meant by the Expression.