katz·en·jam·mernounINFORMAL•DATEDconfusion; uproar.a hangover; a severe headache resulting from a hangover.plural noun: katzenjammers However, my Alexa pronounces it: KAHTZ-en-yahmmah – which appears to be the German pronunciation. In German, it means Cats Wail (or Caterwaul) Per Wikipedia: “Katzenjammer was an English-language…