Green’s Dictionary of Slang

to have sexual intercourse; thus vaulting n. and adj.

1579		implied in vaulter n.
1594		Gesta Grayorum (1688) 25: All such persons as, for Lucre and Gain of Living, do keep or maintain, or else frequent and resort unto any common House, Alley, open or privy place of unlawful Exercises; as of Vaulting [...] or any forbidden manner of Shooting; as at Pricks in common High-ways [...] or at short Butts, not being of sufficient length and distance, or at any roving or unconstant Mark, or that shoot any Shafts, Arrows, or Bolts of unseasonable Wood or Substances.
1604		Middleton Black Book line 331: The race of lusty vaulting gallants, that instead of a French horse, practise upon their mistresses all the nimble tricks of vaulting.
1610		Shakespeare Cymbeline I iv: Should he make me Live like Diana’s priest, betwixt cold sheets, While he is vaulting variable ramps.
c.1620		Fletcher Women Pleased II vi: I have strength, and I can strain ye sirrah, And vault into my seat as nimbly, little one, As any of your smooth-chinn’d boys in Florence I must needs commit a little folly with ye, I’ll not be long, a brideling cast, and away wench.
1629		J. Shirley Grateful Servant IV v: I need no more provocatives, my veins are rich, And swell with expectation: shall we to This vaulting business?
1672		H.N. Payne Morning Ramble Act IV: I see you mighty mannagers of Misses ... are as long getting into the Saddle when you have the Bridle in your hand, as Men less profest in the vaulting Trade.
1680–1		N. Lee Princess of Cleve II ii: He will over any thing he can lay his hand on, and Vaults to Admiration.
1725		New Canting Dict. n.p.: To Vault, to commit Acts of Debauchery.
1737, 1759, 1760, 1776		Bailey Universal Etym. Eng. Dict. [as cit. 1725].