Artificial intelligent assistant

bull-dogged

bull-dogged, a.
  (ˈbʊldɒgd)
  [f. bull-dog n.]
  Characteristic of or like that of a bull-dog.

1904 Daily Chron. 4 Jan. 9/1 The face has become pushed back, or ‘bull-dogged’. 1921 Galsworthy To Let iii. ii. xi, All that was bull-dogged in Soames stared for a moment out of his grey eyes.

Oxford English Dictionary

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