What does "Mit dem falschen Fuß aufstehen" mean?

The idiom "Mit dem falschen Fuß aufstehen" translates to “to get up on the wrong foot,” and it describes starting the day in a bad mood or having a rough start. It’s the German equivalent of “waking up on the wrong side of the bed.”

If someone is grumpy or unusually irritable, you might say, “Hast du heute mit dem falschen Fuß aufgestanden?” It’s a gentle, humorous way to point out someone’s bad mood.

Among German idioms, this one is relatable and commonly used in daily life. It highlights how emotions and moods are integrated into language through physical metaphors. Learning German idioms like this helps in understanding social cues and making your conversations sound more natural and empathetic.