Definition of Kool-Aid in US English:



North American
  • A powder that is added to water or another liquid to make a fruit-flavored soft drink.

    ‘a pitcher of cherry Kool-Aid’
    • ‘Catfish anglers are doing well in 15 feet of water with sliced hot dogs and chicken soaked overnight in grape Kool-Aid.’
    • ‘The future is very bright, join me for a glass of Kool-Aid.’
    • ‘I promptly poured myself a big, cold glass of the finest Kool-Aid.’
    • ‘But I felt much better about this one and had a big glass of Kool-Aid.’
    • ‘Just go back to your jug of Kool-Aid and take a swig and relax.’


  • drink the Kool-Aid

    • informal Demonstrate unquestioning obedience or loyalty to someone or something.

      ‘his real ire is directed at the news media for drinking the Kool-Aid and not being tougher on the president’
      • ‘In other words: everyone had drunk the New Economy Kool-Aid.’
      • ‘There were times during that bad week when the four of us were thinking that we were drinking the Kool-Aid and not getting the whole picture.’
      • ‘The fact of the matter is that virtually every employee drinks the Kool-Aid and keeps their mouth shut publicly when still on board.’
      • ‘As someone who is employed, I don't drink the Kool-Aid of my very well-known boss.’
      • ‘If you can't see the bias in almost every news organization, then you're probably drinking their Kool-Aid.’
      • ‘It is strange that after he accuses his opponent of having "drank the Kool-Aid", he then complains that they call anyone who disagrees of being a bigot.’
      • ‘I'm not drinking the Pentagon Kool-Aid.’
      • ‘Her sin is that she refuses to drink the Kool-Aid and presses people to provide verifiable facts.’
      • ‘When I employed over a dozen employees, most drank my Kool-Aid.’
      • ‘A lot of the press also drank the Kool-Aid in the first year.’


1920s: from kool, an informal respelling of cool + -aid, a respelling of -ade, after lemonade, orangeade, etc..