used in terms meaning to perform coitus interruptus, to withdraw well before ejaculation; specific usages are usu. regional but can be found further afield.
In phrases
...Edge Hill (also...Broadgreen) [Edge Hill is the station before Liverpool Lime Street]
J. Smith Amer.-British Dict. 🌐 coitus interruptus [...] get off at Edge Hill [last station before Liverpool Lime Street, or even get out at Broadgreen, station before Edgehill].
Roger’s Profanisaurus in Viz 87 Dec. n.p.: get off at Edge Hill euph. Coitus interruptus; withdrawal before ejaculation. (Edge Hill is the last station before Liverpool Lime Street.) Aus. get off at Redfern. Scot. Paisley. Lond. Clapham. Newcastle Gateshead etc.
...Fratton[Frattonis the station before Portsmouth dockyard]
J. MeadesEmpty Wigs (t/s) 215: [They] spurned condoms, made no attempt to avail themselves of the anal tunnel, failed to get off at Fratton and so spawned increasingly weak-minded dolts .
...Gateshead[Gateshead is the railway station before Newcastle-upon-Tyne]
G.L. CohenStudies in Sl. Pt 2 127: In British [slang] I found get off at Gateshead is equivalent to coitus interruptus and noted that Gateshead was the penultimate railway station before Newcastle-upon-Tyne.
...Green Island (alsoget out at Green Island, get off at Papakura) [Green Island, the station before the terminal at Dunedin; Papakura is a couple of stops prior to the terminal at Auckland] (N.Z.)
...Haymarket[used by the natives of Edinburgh, where Haymarket is the railway station immediately before the terminal Edinburgh Waverley]
letter in Times Literary Supplement 13 June n.p.: The local equivalent for Fifers of the Phrase about which J. P. Kenyon (Letters. May 30) enquires, is ‘are you gettin’ off at Haymarket?’ (the station before reaching Edinburgh Waverley).
I. RankinKnots and Crosses (1998) 52: Rebus remembered that the premature withdrawal of the penis during intercourse for contraceptive reasons was often referred to as ‘getting off at Haymarket’.
...Hillgate[a notional place, poss. playing on hill = the mons veneris, and gate, i.e. the entry to the vagina]
New Society 15 July n.p.: Coitus interruptus (variously termed ‘pulling out’, ‘being careful’ and ‘getting off at Hillgate’ a real or notional bus-stop, immediately before one’s actual destination – the bus-stop before the one for home).
...Paisley[used by Glaswegians, where Paisley is the railway station immediately before Glasgow]
G.L. CohenStudies in Sl. Pt 2 127: The humor of constructions such as get off at Gateshead, get off at Paisley, get off at Haymarket, get off at Fratton, and get off at Redfern [...] is refreshing.
...Redfern[Redfern is the railway station immediately before Sydney Central] (Aus.)
Canberra Times (ACT) 6 Feb. 2/6: Would anyone in Sydney now speak of coitus interrupts as ‘getting off at Redfern’?
Maledicta IV:2 (Winter) 199: This seems to be a reference to getting off at Redfern, which is an Australian term, for Redfern is the last station before Sydney Central, so this is used for coitus interruptus.
H. RawsonDict. of Invective (1991) 292: Getting off at Redfern, an Australian expression that is too good to pass up: it refers to coitus interruptus.