Green’s Dictionary of Slang

tickety-boo adj.

also tickadyboo
[? ticket n.1 (3a) or Hind. tikai babu, it’s all right, sir]

(orig. services) fine, wonderful, all in order.

[UK]N. Streatfeild Luke 186: Things ought to have shaped right [...] Couldn’t have looked more tickety-boo [OED].
[US]W. Winchell On Broadway 6 Jan. [synd. col.] The combined air, sea and land punch, the [British] officers related ‘worked absolutely ticketty-boo’.
[UK]J. Braine Room at the Top (1959) 165: Everything was tickety-boo again and I was so happy that I moved in a trance.
[UK](con. c.1918) D. Holman-Hunt My Grandmothers and I (1987) 64: ’E’ll be ticketyboo for dinner.
[UK]J.P. Carstairs Concrete Kimono 78: You’ll be tickety-boo in next to no time.
[UK](con. 1940s) O. Manning Battle Lost and Won 257: Yep, all in. All tickety-boo.
[UK]F. Norman Dead Butler Caper 86: ‘Everything under control, sergeant?’ [...] ‘Tickadyboo, sir.’.
[UK]T. Blacker Fixx 127: There were certain aspects of Glentabbot Properties that were [...] ‘not quite tickety-boo.’.
[UK]Guardian G2 25 Aug. 5: MI5’s director [...] has assured Straw that everything is tickety-boo.
[UK]Camden New Journal (London) Rev. 4 Sept. VII: Sultry stares at men she finds attractive, grumpy pouts when things are not tickety-boo.
[UK]J.J. Connolly Viva La Madness 188: I don’t think Roy’s all that tickety-boo at the moment.
[Aus](con. 1943) G.S. Manson Coorparoo Blues [ebook] ‘[I]t looked all tickety-boo on the outside, but when you opened it up, it was all just shit an’ rubbish?’.
[UK]J. Meades Empty Wigs (t/s) 178: After which [violence] life would be tickety-boo.