Green’s Dictionary of Slang

Whetstone Park n.

also Whetstone, Whetstone’s Park
[proper name Whetstone Park, a lane between Holborn and Lincoln’s Inn Fields, well known for its ‘nest of wenches’ (B.E.); thus Wycherley (1672) attacking a loose woman: ‘If I had met you in Wheatstones-Park with a drunken Foot-Soldier, I should not have been jealous of you’ and Ward (1699) on the prostitutes available in the women’s section of Bedlam Hospital: ‘’Tis a new Whetstone’s Park [...] where a Sports-man, at any Hour in the Day, may meet with Game for his purpose’]

used generically as a reference to prostitutes or prostitution.

[UK]‘R.M.’ Scarronides 48: Have you not heard of Whetstones Park?
[UK]T. Shadwell letter to Wycherley in Weales (1967) n.p.: If they break Windows when they’re Drunk, / And at late hours, wake Whetstone’s Punk, / That has all day been hard at Service, / With Clerk and Prentice, Tim and Gervas.
[UK]J. Phillips Maronides (1678) VI 62: he’s no Swash-buckler, nor no Ranter / Nor drunken Park of Whetstone haunter.
[UK]Dryden Kind Keeper V i: I find you have been searching for your Relations then, in Whetstone’s Park!
[Ire]‘Teague’ Teagueland Jests I 123: Teague had [...] languished under a strange heat in his Cod-piece; he had called Venus all the Bitches in nature, and put Whetstones-Park into his daily Litany.
[UK]B.E. Dict. Canting Crew n.p.: Whet-stones-park, a Lane . . .fam’d for a Nest of Wenches, now de-park’d.
[UK]N. Rowe ‘Horace’s Integer Vitae’ in Atkins Sex in Literature IV 185: A Whisker of such hideous Mien / In Whetstone’s-Park was never seen.
[UK]Grose Classical Dict. of the Vulgar Tongue n.p.: Whetstone’s park. A lane between Holborn and Lincoln’s-inn Fields, formerly famed for being the resort of women of the town.
[UK]Lex. Balatronicum [as cit. 1785].

In compounds

Whetstone Park deer (n.) (also nun of Whetstone, Whetstone, Whetstone doe, Whetstone Park lady)

a prostitute.

[UK] ‘Upon the Beadle’ in Lord Poems on Affairs of State (1963) I 175: Their gen’rous fury, sprung from this just ground, / Because a nun of Whetstone prov’d unsound. / Whetstone’s the place where many a duke and lord / Have on bare knees the Queen of Love ador’d.
[UK]T. Duffet Epilogue Spoken by Heccate and Three Witches 36: Carcass of Country Girl that’s fresh and wholesome, Haunch of whetstone Doe, but that is fulsome.
[UK]W.P. Wit’s Academy Pt 2 126: Whetstone-Park Ladies.
[UK]J. Lacy Sir Hercules Buffoon V iii: jud.: The roguish bargain he put upon me, of two Brace of Deer out of Whetstones Park; it seems a Park of Baudy-houses: Rogue! Rogue! [...] sq.: My Lord, I’ll take that bargain off your hands; I’ll give you two brace of Fallow Deer for your two brace of Whetstone.
[UK]N. Ward Compleat and Humorous Account of Remarkable Clubs (1756) 24: So many maimed Leachers; snuffling old Stallions; young unfortunate Whoremasters; poor sacrficed Bawds; and salivated Whetstones.