Artificial intelligent assistant

butt-in

butt-in U.S.
  One who butts in (see butt v.1 1 d); an intruder. So butt-iner.

1906 H. Green Actors' Boarding House 97 Gettee 'way... No want flesh butt-ins round! a 1910 ‘O. Henry’ Rolling Stones (1916) 198 Any of the Flat bush or Hackensack Meadow kind of butt-iners. 1911 J. C. Lincoln Cap'n Warren's Wards viii. 124 If I had my way the old butt-in should understand exactly what I think of him. 1930 Liberty Mag. 1 Nov. 43/1 She [sc. a gangster's moll] may be just a butt-in.

Oxford English Dictionary

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