Definition of whataboutery in English:

whataboutery

Pronunciation /ˌ(h)wədəˈboudərē/ /ˌ(h)wədəˈbaʊdəri/

noun

British
  • The technique or practice of responding to an accusation or difficult question by making a counteraccusation or raising a different issue.

    Also called whataboutism

    • ‘all too often, well-intentioned debate descends into whataboutery’

Origin

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