Katzenjammer is a German term that literally translates to "cat's wail" and is often used to describe a feeling of discomfort or distress, particularly after a night of heavy drinking. It refers to the hangover symptoms that can include headache, nausea, and fatigue. The term captures the chaotic and unpleasant aftermath of overindulgence. In popular culture, Katzenjammer is also the name of a Norwegian band known for their energetic music and eclectic style, blending elements of folk, rock, and pop. The band gained international recognition for their lively performances and catchy songs, contributing to the modern interpretation of the term.