Green’s Dictionary of Slang

haughty, arrogant; also used lit., high, tall.

1823		Noctes Ambrosianae July (1863) 337: Very toploftical to be sure .
1827		J. Wight More Mornings in Bow St. 148: The knowledge [of her own beauty] made her somewhat hightoploftical in her general demeanour.
1842		Dublin U. Mag. Dec. 683/1: As a Roman citizen he was endowed with every requisite to assume a toploftical position in civil society.
1850		W.K. Northall Yankee Hill 152: The tarm hierology, which we use in describing these things, means that the people in old times were ruther toploftical.
1860		Vanity Fair 11 Aug. 76/1: Their having got up and worked on on the wise and other men of Gotham one of the most stupendous, magnificent, toploftical and otherwise sublime sells ever perpretrated [sic] on a Christian community.
1866		Canadian Farmer 1 Nov. n.p.: He cut his grass with the mowing machine [...] freights it to the desired spot on a top-loftical railroad, pulls a string, and all is over.
1879		Congregationalist 17 Dec. n.p.: Toploftical talking... and inflammatory speeches [F&H].
1880		Maitland Mercury (NSW) 28 Feb. 14/6: The New York Mail demands that every theatre shall have a hat room [...] for the use of ladies, and that it should be [...] a rule for them to leave their top-loftical head gear in that room.
1887		Pall Mall Gaz. 4 Aug. 14/1: He into a store and he tumbled over everything he could find with the most top-loftical air in the worls.
1889		Goulburn Eve. Penny Post (NSW) 21 May 3/2: With a scepter-like wave of her hand [...] and in a toploftical tone of voice, she said: ‘Relieve this mansion of your odious presence!’.
1894		Aus. Town & Country Jrnl (Sydney) 13 Oct. 28/6: [A] young woman of ambitious if somewhat ‘toploftical’ diction.
1895		T.P. O’Connor Some Old Love Stories 48: Isn’t this almost too delightful as a picture of our young, conceited, toploftical Springfield buck?
1899		E. Hannaford Philippine Wonderland 79: Their college blades are an uneasy, ambitious, toploftical set.
1904		Sunderland Dly Echo 4 Apr. 6/5: Betty’s manner was distinctly top-loftical.
1909		Newsletter (Sydney) 13 Feb. 9/3: [T]he toploftical stethescopist, who is clean out of his depth in trying to damage and discredit [...] the real truth of things.
1914		Camperdown Chron. (Vic.) 28 Nov. 4/3: [T]hat eloquence is an affair of [...] high sounding and top-loftical declamation and mouthing cant.
1927		: It - was a good specimen' of [...] ‘toploftical splatherang,’ which [...] means highfalutin rodomontade.