Green’s Dictionary of Slang

idle, futile, empty talk; thus talky-talky adj. emptily verbose.

[1854		E.R. Sullivan Bungalow or Tent 33: I had heard the ‘talkie-talkie’ of the niggers in Demarara].
1883		Sat. Rev. (London) 10 Feb. 189: These Essays [...] are very talky-talky [F&H].
1884		(con. c.1840) ‘Mark Twain’ Huckleberry Finn 221: All that kind of humbug talky-talk.
1884		St Joseph Gaz.-Hewrald (MI) 2 Feb. 6/2: ‘You see it’s [i.e. a play script] awfully talky-talky. Why it would put an aueince to sleep as it is now’.
1884		‘’Arry at a Political Pic-Nic’ in Punch 11 Oct. 180/1: Rum game this yer Politics, Charlie, seems arf talkee-talkee and trap.
1893		Isle of man Wkly 11 Nov. 3/1: They had had [...] too much ‘talky talky’.
1902		Bulletin (Sydney) 8 Nov. 14/4: The Tennyson, himself, still leaned goutily on his stick, while ‘Wally’ made talky-talky for the benefit of Miss Duff, and Aide Nevill, as usual, trotted out his ‘ways of pleasantness’ to break the monotony for the French governess and her three charges.
1904		G.B. Shaw John Bull’s Other Island IV ii: Why cant you say a simple thing simply, Karry, without all that Irish exaggeration and talky-talky?
1904		G.V. Hobart Jim Hickey 97: He said you must do a thinking part. The talky-talk puts you over on Woozy Avenue!
1909		Inter Ocean (Chicago) 4 Oct. 2/6: He who ‘can’ usually ‘does’. [...] The talky-talky man is a nuisance.
1912		S.F. Call 1 Dec. 27/2: ‘Talky-talky, talky-talky! Too much talky-talky along you’.
1930		Lincoln Jrnl Star (NE) 6 Jan. 5/1: A healf-hearted argument develops [...] talky-talky-talk, as lear would say crazily .
1932		C. McKay Gingertown 14: I ain’t a talky-talky person like these here slick Harlem niggers.
1938		Dly Herald (London) 3 May 10/7: What a lot of talky-talky there is .
1949		News-Record (Neenah, WI) 2 Aug. 1/4: They were warned against making them [i.e. speeches] ‘so broad as to be vague and talky-talky’.
1970		San Diego Sailor 54: All this talky-talky made me feel as though I ought to be running a column like Dorothy Dix.