Artificial intelligent assistant

snicker-snack

snicker-snack, adv. and n.
  (ˌsnɪkəˈsnæk, ˈsnɪkəˌsnæk)
  Also snickasnack.
  [Imit.: cf. snick-snack adv. and n.]
  (With) a snipping or clicking sound.

1871 ‘L. Carroll’ Through Looking Glass i. 22 The vorpal blade went snicker-snack! 1913 C. Mackenzie Sinister Street I. ii. xv. 403 Mrs Carthew snipped away, talking in sentences that matched the quick snickasnack of her weapon. 1979 P. Way Sunrise viii. 79 The little man next door was chopping his hedge. The shears were going snicker-snack. Ibid. 85 He glanced back at them fiddling with the dominoes... The pattern fell snicker-snack over.

Oxford English Dictionary

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