Green’s Dictionary of Slang

shooter’s hill n.

[play on the proper name, but note shoot v. (1a)]

the vagina.

[US]Maledicta IV:2 (Winter) 185: Common examples [of sexual ‘addresses’] include Cockshire, Cock Inn, Cupid’s Alley, Hairyfordshire, Crown and Feathers, Shooter’s Hill, Mount Pleasant, Love Lane, etc.

In phrases