katzenjammer /ˈkatzənˌdʒamə
/ ▸ noun US English informal, dated 1 [mass noun] confusion; uproar. 2 a hangover; a severe headache resulting from a hangover. – ORIGIN mid 19th century: from German Katzen (combining form of Katze ‘cat’) + Jammer ‘distress’; popularized by the cartoon Katzenjammer Kids, drawn by Rudolf Dirks in 1897 for the New York Journal, featuring two incorrigible children.