Green’s Dictionary of Slang

pleasure n.

also pleasance

an orgasm; sexual intercourse.

[UK]Becon Inuectiue Agaynst Whoredome cited in Williams Dict. Sexual Lang. I 1055: He denounces ‘those maids ... Al gyuen ... to fylthy pleasaunce’.
[UK] ‘The Enjoyment’ in Poetical Remaines of Rochester, Etherege, and Others 97: Tho’ fallen from the top of Pleasure Hill, / With Longing Eyes we look up thither still.
[UK]Paul Pry 27 Nov. n.p.: From this human scum[i.e. pimps] do many of these children of pleasure (?) suffer blows, indignity, and abuse of the grossest kind.
[UK]‘Walter’ My Secret Life (1966) IV 774: Then I frigged [...] and after immense trouble got a pleasure.
[US]‘J.M. Hall’ Anecdota Americana II 28: Just about that time I had my pleasure an’ fell off the roof.

SE in slang uses

In compounds

pleasure boat (n.) (also pleasure conduit, ...girth, ...pit, ...place)

the vagina.

[UK]Davies of Hereford ‘In Katam’ in Epigrams viii: Content thee Kate, although thy pleasure wasteth, Thy pleasure’s place like a buff jerkin lasteth [F&H].
[UK]J. Miller Humours of Oxford I i: gain.: What, bound for the Port of Wedlock, Sir? ape.: No, no, no, no, Sir, I only use her as a Pleasure-Boat [...] purely as a passo Tempo.
[UK]Cleland Memoirs of a Woman of Pleasure (1985) 77: He lets the fury loose [...] and driving with refresh’d rage, breaks in, and plugs up the whole passage of that soft-pleasure-conduit. [Ibid.] 83: I [...] tightened the pleasure-girth around my restless inmate, by a secret spring of suction and compression.
[UK]‘Walter’ My Secret Life (1966) II 401: Yet as my belly touched hers, and my prick rubbed against her pleasure-pit it became useless.
[UK]Farmer & Henley Sl. and Its Analogues.