Green’s Dictionary of Slang

accompany v.

of a man, to have sexual intercourse.

[UK]R. Coke Elements Power & Subjection 161: Elements Power & Subjection [Simes:DLSS].
[UK]R. Holme Academy of Armory Ch. iii item 68c: Canting Terms used by Beggars, Vagabonds, Cheaters, Cripples and Bedlams. [...] Niggling, accompanying with a Woman.
Milton Hist. British in Prose Works (1868) 344: [He] loved her and accompanied with her only, till he married Elfrida.
[UK]Grose Classical Dict. Vulgar Tongue n.p.: nigling, [...] accompanying with a woman.
E. Field Stag Party n.p.: At a recent church entertainment in Surrey, England, the following item was seen on the programme: Miss Pauline Fisher — ‘Put me in my little bed,’ Accompanied by the Curate.