Definition of whataboutery in English:

whataboutery

noun

mass nounBritish
  • The technique or practice of responding to an accusation or difficult question by making a counter-accusation or raising a different issue.

    ‘all too often, well-intentioned debate descends into whataboutery’
    Also called whataboutism

Origin

1970s: from the way in which counter-accusations may take the form of questions introduced by ‘What about —?’.

Pronunciation

whataboutery

/ˌwɒtəˈbaʊtəri/