Artificial intelligent assistant

toodle-oo

toodle-oo, int. colloq.
  (tuːd(ə)lˈuː)
  [Origin unknown; perh. f. toot n.2]
  Goodbye. Cf. pip-pip.

1907 Punch 26 June 465 ‘Toodle-oo, old sport.’ Mr. Punch turned round at the amazing words and gazed at his companion. 1908 T. E. Lawrence Let. 16 Aug. (1938) 62 Tootle 'oo. e.l. 1931 D. L. Sayers Five Red Herrings vi. 64 Well, toodle-oo! 1960 [see blot n.1 1 c]. 1981 R. Barnard Sheer Torture xi. 121 I'll be downstairs. Toodle-oo.

  Also toodle-, tootle-pip.

1977 A. C. H. Smith Jericho Gun v. 67 Well, tootle-pip for now. 1983 Standard 26 Oct. 23 (heading) Toodlepip to the poor British Exec.

Oxford English Dictionary

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