Green’s Dictionary of Slang

an excl. of surprise or disdain.

1695		Congreve Love for Love III i: Hoity toity, what have I to do with his dreams or his divination?
1709		Cibber Rival Fools I i: Hoity-Toity! You are so snap, and so short, Forsooth: Why, what a duce do People use to speak to Folks.
1731		Fielding Letter Writers II xii: Hoity-toity! I hope you’ll allow that a Woman ought to avoid some Pleasure for the sake of her Husband.
1749		Fielding Tom Jones (1959) 211: Hoity toity! [...] madam is in her airs, I protest.
1798		T.G. Fessenden ‘Political Pepper-Pot’ Poems (1804) 69: Let [...] Neptune leave Miss Amphitrite, / And join the battle hoity-toity!
1824		R.B. Peake Americans Abroad I ii: Hoity toity, now – here are you two fellows idling when there are chickens to pick – peas to shell.
1833		A. Greene Life and Adventures of Dr Dodimus Duckworth I 168: Hoity-toity! Mister – he’s my own hoss.
1848		Dickens Dombey and Son (1970) 205: ‘Hoity-toity!’ exclaimed Mrs. Pipehin, plucking up all the ogress within her. ‘If she don’t like it, Mr. Dombey, she must be taught to lump it.’.
1856		M. Griffith Autobiog. of a Female Slave 166: Coffin! hoity-toity! Father’s not going to give her a coffin.
1864		G.A. Sala Quite Alone I 233: ‘Hoity-toity!’ quoth Miss Barbara Bunnycastle.
1884		Ally Sloper’s Half Holiday 24 May 31/3: ‘Hoity-toity! [...] what’s all this fuss about?’.
1886		M.E. Kennard Girl in the Brown Habit III 37: Hoity-toity! Improve, indeed! What an idea!
1891		Punch 10 Jan. 13: ‘Hoity toity!’ cried she. ‘The house is mine. Away with you!’.
1899		‘Pot’ & ‘Swears’ Scarlet City 242: Hoighty-toighty! [...] what price bi go on stilts?
1900		Sporting Times 21 Apr. 2/1: Hoity-toity! Now, marry, comartofit! What is horse-racing, then [if not a game]? A religion, a business, or a square meal?
1920		Marvel 14 Aug. 3: ‘Oh, hoity-toity!’ laughed the American.