Green’s Dictionary of Slang

1. an immodest, lively woman, a ‘romping girl’.

1657		Thornley Longus 53: That wanton, untoward, malepert ramping and hoytie-toitie which he kept in the grove.
c.1698		B.E. Dict. Canting Crew n.p.: Hightetity a Ramp or Rude Girl.
1715		‘Nickydemus Ninnyhammer’ Homer in a nut-shell 16: I must (it seems) know nothing not I / Of what the silly Hoity-toity, / Thetis has now been difemboguing.
1719		in D’Urfey Pills to Purge Melancholy I 255: The Frowzy, Browzy, / Hoyty Toyty, / Covent-Garden Harridan.
1725		New Canting Dict. [as cit. c.1698].
1737, 1759, 1760, 1776		Bailey Universal Etym. Eng. Dict. [as cit. c.1698].
1784		J. O’Keeffe Fontainebleau in Dramatic Works (1798) II 262: My mother [...] was a fine lady, all upon the hoity-toities.
1796		Grose Classical Dict. of the Vulgar Tongue (3rd edn).
1811		Lex. Balatronicum.
1823		Egan Grose’s Classical Dict. of the Vulgar Tongue.

2. sexual play or joking.

1707		Fifteen Plagues of a Maiden-Head 8: To Labours, Christnings, where the Jollitry / Of Women lies in telling [...] When ’twas they did at Hoity-Toity play; / Who’s Husband’s Yard is longest.
1713		W. King York Spy 10: Their pleasant Comical Hoity-Toities, their unpolish’d Behaviour, Apish Gestures, and Rural Nonsence.
1733		Laugh and Be Fat 2: His House-keeper’s sweetheart, who, by his pleasant comical Hoity-Toities, and other winning Accomplishments, had so wriggl’d himself into her Affections, that he had as much Command of her as her Master.
1785		‘Peter Pindar’ ‘The Lousiad’ Works (1794) I 301: Humph! What a pretty hoity toity’s here?