Green’s Dictionary of Slang

what Harry gave Doll n.

sexual intercourse.

1672		‘A Song’ in Ebsworth Westminster Drolleries (1875) ii 87: A Lass was deploring her haplesse estate [...] She sigh’d and she sobb’d, and I found it was all, For a little of that which Harry gave Doll.
1675		T. Duffet Mock Songs 5: ’Tis kindness that make me love you so well, / And then we afford ye what Robin gave Nell.
1705–07		N. Ward Hudibras Redivivus I:8 20: As if she wish’d with all her Soul / To have a Woman’s belly full / Of what young Harry gave to Dol.
1780		New London Jester 90: A gentleman had often solicited his wife’s maid for a little of that which Harry gave Doll.
1840		‘Harry and Doll’ in Fake Away Songster in Spedding & Watt (eds) Bawdy Songbooks (2011) III 279: She cried and she sobbed and I found it was all / For a little of that which Harry gave Doll.
1890–1904		Farmer & Henley Sl. and Its Analogues.

In phrases

get what Harry gave Doll (v.)

of a woman, to have sexual intercourse.

1890–1904

Farmer & Henley Sl. and Its Analogues.