Definition of whataboutism in English:

whataboutism

Pronunciation /ˌ(h)wədəˈboudizəm/ /ˌ(h)wədəˈbaʊdɪzəm/

noun

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

    • ‘the parliamentary hearing appeared to be an exercise in whataboutism’

Origin

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