Artificial intelligent assistant

tchah

tcha, tchah, int.
  (tʃɑː)
  An exclamation of impatience or contempt; = pshaw.

1844 Dickens Mart. Chuz. xxxvii, ‘Tcha, Mr. Pinch!’ cried Charity, with sharp impatience. 1887 Fenn Dick o' Fens (1888) 22 Tchah! who cares? I don't.

Oxford English Dictionary

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