The idiom "Fix und fertig" means completely exhausted, worn out, or mentally and physically drained. Though it literally translates to “fixed and finished,” it’s used when someone is totally wiped out—like after a long day of work or an emotionally taxing experience.If someone says “Ich bin fix und fertig,” they’re basically saying “I’m dead tired” or “I’m done.” It’s a very common phrase in everyday German and conveys a mix of physical fatigue and emotional burnout.As with many German idioms, the phrase combines rhythm and alliteration to enhance its emotional impact. It’s short, punchy, and immediately paints a vivid picture of exhaustion. Learning German idioms like this one is essential for understanding how native speakers naturally express their feelings in casual conversation.