1 definition by OnlyJulicorn

a) When a musician plays/sings in an unpleasant manner so the music sounds like a cat wailing. (Katzenjammer literally translates to catwailing.)

b) A hangover.

c) The feeling of sadness after an euphoric event is over.
I like this song, but that guy is just playing katzenjammer!
by OnlyJulicorn January 25, 2018
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