Artificial intelligent assistant

agad

aˈgad, int. Obs.
  [A euphemistic alteration of O God! earlier A God!]
  An expletive expressive of strength of feeling, conviction, etc.; = egad.

1728 Fielding Love in Sev. Masques i. v. Agad, and that opinion is not singular. 1752 C. Lennox Fem. Quixote vii. xiii. II. 168 Agad! I have no great mind to a halter.

Oxford English Dictionary

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