10 German Idioms You'll Actually Hear

Most idiom lists you find online are museum pieces. Nobody in a Berlin office says Da liegt der Hund begraben, and if you drop Es ist alles in Butter into a conversation you will get a friendly, slightly puzzled look. The idioms below are different: I picked them because you will hear all ten within your first year of living in Germany, usually within the first month, and several of them multiple times a week.

Here is the honest framing before we start. If you are below A2, idioms are a rounding error - your comprehension is limited by verb conjugation, word order and the top 1000 words, not by not knowing about tomatoes on eyes. Fix those first with the grammar library and core vocabulary. But if you can already follow a simple conversation, these ten are extremely high value, because each one is a moment where you understood every single word and still had no idea what was happening.

The cheat sheet

The ten, with real examples

Das ist mir Wurst

The most German sentence ever constructed. Use it when a choice genuinely does not matter to you.

• "Pizza oder Pasta?" - "Ehrlich, das ist mir Wurst, ich habe einfach Hunger."
• In the south you will hear das ist mir wurscht, which is the same thing with more attitude.
• Register: casual. Fine at lunch with colleagues, wrong in a job interview - there, say Das ist mir gleich or Beides ist für mich in Ordnung.

Die Nase voll haben

Fed up. It takes von plus dative, which is the part learners get wrong.

• Ich habe die Nase voll von diesem Drucker.
• Stronger than Es nervt mich, weaker than actual anger. Perfectly usable at work about objects and processes, riskier about people.

Tomaten auf den Augen haben

You looked straight at the thing and did not see it.

• Der Schlüssel lag die ganze Zeit auf dem Tisch - ich hatte wohl Tomaten auf den Augen.
• Safest about yourself, or teasing a friend. Said to a stranger it is rude.

Jemandem die Daumen drücken

Germans press their thumbs, they do not cross fingers. Worth knowing physically too: crossing your fingers in Germany reads as I am lying.

• "Morgen ist meine Fahrprüfung." - "Viel Erfolg, ich drücke dir die Daumen!"
• Completely neutral register. You can write it in an email.

Ins Fettnäpfchen treten

To put your foot in it socially. The image is a small pot of grease you step in and then track all over the floor.

• Ich habe sie nach ihrem Mann gefragt - sie sind seit einem Jahr geschieden. Voll ins Fettnäpfchen getreten.
• Note the movement: ins (accusative) because you step into it. Perfect tense uses sein: ich bin ins Fettnäpfchen getreten.

Ich verstehe nur Bahnhof

A learner's best friend, and one Germans use about German bureaucracy just as often as you will.

• Der Vermieter hat mir die Nebenkostenabrechnung erklärt und ich habe nur Bahnhof verstanden.
• Slightly jokey, so it defuses the moment. Great for language exchanges and terrible for a doctor's appointment, where you want the plain Das habe ich nicht verstanden, können Sie das bitte wiederholen?

Auf dem Schlauch stehen

My nomination for the most underrated idiom on this list. It means your brain has stalled - not that you lack the knowledge, just that it is not arriving.

• Kannst du das nochmal erklären? Ich stehe gerade komplett auf dem Schlauch.
• Heard constantly in meetings, and acceptable there. Note auf dem - dative, because you are standing still.

Unter vier Augen

The one item here you can safely use with your boss, your landlord or a school principal.

• Können wir das kurz unter vier Augen besprechen?
• Neutral to formal. Two people, four eyes, no third party.

Schwein haben

Dumb luck, not deserved success. Nobody says Schwein haben about passing an exam they studied for.

• Der Zug hatte zehn Minuten Verspätung, sonst hätte ich ihn verpasst - da habe ich Schwein gehabt.
• No article, ever: Schwein haben, never ein Schwein haben (that means you own a pig).

Bock haben

Strictly speaking slang rather than an idiom, but you will hear it several times a day from anyone under forty.

• Hast du Bock, morgen ins Kino zu gehen?
• Ich habe keinen Bock auf Hausaufgaben.
• Register matters here: fine with friends and flatmates, wrong with your landlord. The neutral version is Lust haben, which works everywhere.

The grammar hiding inside them

Idioms are not grammar-free zones, and this is where they earn their place on a grammar page. Four patterns repeat:

• Dative of the person affected: Das ist mir Wurst, ich drücke dir die Daumen. The person is not the object of the verb, they are the one it matters to.
• Fixed prepositional case: auf dem Schlauch (dative, static) versus ins Fettnäpfchen (accusative, movement). Same logic as im Bett versus ins Bett - see two-way prepositions in the library.
• Bare nouns after haben: Schwein haben, Bock haben, Hunger haben. No article. Learn them as one unit.
• Von plus dative: die Nase voll von dem Lärm. The preposition is not optional.

If you learn these as whole chunks rather than word-by-word, the grammar comes free - which is the entire argument for learning collocations instead of isolated words.

What to skip, and where to look things up

Being honest about the rest of the genre: Da liegt der Hund begraben, Es ist alles in Butter, Hals- und Beinbruch and einen Kater haben nach dem Katzensprung-type collections belong in a different decade. Jetzt haben wir den Salat and Das ist nicht mein Bier are borderline - real, but you will hear them maybe once a month, not once a week. Learn those passively.

And if what you want is an exhaustive idiom reference rather than a curated shortlist, we are not the best tool. Redensarten-Index is a far deeper catalogue, and DWDS shows you real corpus sentences so you can judge frequency and register yourself. Use them for lookup. Use spaced repetition for the handful you actually want to own.

My rule of thumb: fewer than 20 idioms cover almost everything you will hear in a first year in Germany. Twenty cards is nothing - about three minutes a day for two weeks, then occasional reviews. The mistake is trying to memorise 200.

Own these ten this month

Put the ten above into a deck today, with the situation on the front rather than the literal translation - someone asks which restaurant and you don't care is a better prompt than sausage. That is how they surface when you need them instead of three seconds too late.

merke.me schedules exactly that: ready-made decks with native audio and example sentences, expressions filed under collocations, and grammar explanations linked from the cards when a dative or a wechselpräposition trips you up. See what it costs - the free tier is enough to get these ten into long-term memory.