Artificial intelligent assistant

woomph

woomph, int. (n., adv.) slang.
  (wuːmf, wʊmf)
  Also woomf.
  [Imitative.]
  (Expressing) a sound similar to a ‘whoof’ (whoof int. (n.) 2) but with a deeper or more resonant component. Cf. the synonymous whoompf int. (n.).

1955 Earl Winterton Fifty Tumultuous Years 82 Two old gentlemen were dozing in their chairs when the ‘Woomph’, ‘Boomph’ of a bomb simultaneously woke them up. 1979 R. Fiennes Hell on Ice ix. 144 There was a sudden woomf as the fumes and the liquid ignited. 1982 S. Brett Murder Unprompted xiv. 133 He threw a cushion, which went woomph into the side of Charles's head.

Oxford English Dictionary

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