
der Arsch
ass
A vulgar term for the human buttocks.
Er ist beim Skaten hingefallen und direkt auf den Arsch geknallt.
He fell while skating and landed right on his ass.
ass / asshole
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ass
A vulgar term for the human buttocks.
Er ist beim Skaten hingefallen und direkt auf den Arsch geknallt.
He fell while skating and landed right on his ass.

asshole
A crude, vulgar insult for a person who is perceived as mean, unfair, or stupid.
Was für ein Arsch, er hat sich einfach vorgedrängelt!
What an asshole, he just pushed ahead in line!

in the middle of nowhere
A colloquial expression for a very remote, uninteresting place.
Das Dorf liegt wirklich am Arsch der Welt, da gibt es nicht mal Handyempfang.
The village really is in the middle of nowhere; there's not even cell reception there.

to be screwed / exhausted
A colloquial expression meaning to be completely exhausted, worn out, or in a hopeless situation.
Nach der 12-Stunden-Schicht war ich komplett am Arsch.
After the 12-hour shift, I was completely exhausted.

to get off one's ass
A colloquial demand to get active, overcome one's laziness, and do something.
Du musst endlich den Arsch hochkriegen und anfangen, für die Prüfung zu lernen.
You finally have to get off your ass and start studying for the exam.

to kiss someone's ass
A vulgar expression for exaggerated, submissive flattery in order to make someone like you.
Ich hasse es, wie er dem Chef ständig in den Arsch kriecht, nur um Vorteile zu bekommen.
I hate how he constantly kisses the boss's ass just to get advantages.

kiss my ass
A crude, vulgar exclamation that expresses strong rejection, annoyance, or indifference.
Als er mich bat, unbezahlte Überstunden zu machen, dachte ich nur: Leck mich am Arsch.
When he asked me to do unpaid overtime, I just thought: Kiss my ass.
The word 'Arsch' (ass) is vulgar and belongs to colloquial language. It should absolutely be avoided in formal or polite situations, as it is perceived as very rude or insulting.
Pass auf, was du sagst, hier sind Kinder dabei!
Watch what you say, there are children here!
When referring to the buttocks, the preposition 'auf' (on) is often used. The accusative indicates movement ('auf den Arsch fallen' = to fall on one's ass), while the dative describes a state or location ('auf dem Arsch sitzen' = to sit on one's ass).
Ich bin auf dem nassen Boden ausgerutscht und auf den Arsch gefallen.
I slipped on the wet floor and fell on my ass.
As an insult for a person, 'Arsch' (asshole) is often used with an indefinite article or an intensifier like 'so ein' (such a). It describes a person whose behavior is perceived as unfair or mean.
Er hat mir nicht geholfen, obwohl er es versprochen hat. So ein Arsch!
He didn't help me even though he promised. What an asshole!
The idiom 'am Arsch der Welt' (in the middle of nowhere) is a fixed unit. It is used to describe a place as extremely remote and isolated.
Mein neues Büro ist in einem Industriegebiet am Arsch der Welt.
My new office is in an industrial area in the middle of nowhere.
The expression 'am Arsch sein' (to be screwed / exhausted) is a fixed unit. It means that someone is completely exhausted, financially ruined, or in a hopeless situation.
Nach dem Marathon war ich körperlich total am Arsch.
After the marathon, I was physically totally exhausted.
The demand 'den Arsch hochkriegen' (to get off one's ass) is a fixed expression. The object 'den Arsch' is always in the accusative.
Wenn du die Prüfung bestehen willst, musst du endlich den Arsch hochkriegen und lernen.
If you want to pass the exam, you finally have to get off your ass and study.
In the expression 'jemandem in den Arsch kriechen' (to kiss someone's ass), the person one wants to ingratiate oneself with is always in the dative. It is a very vulgar description of submissive behavior.
Er kriecht dem Professor in den Arsch, um eine bessere Note zu bekommen.
He kisses the professor's ass to get a better grade.
The exclamation 'Leck mich am Arsch!' (Kiss my ass!) is a fixed, very crude idiom. It is used to reject someone sharply or to express that you don't care about something at all.
Er wollte, dass ich seine Arbeit mache. Ich sagte ihm, er könne mich am Arsch lecken.
He wanted me to do his work. I told him he could kiss my ass.
asshole
Arsch and Arschloch can both be used as crude and vulgar insults for a person. Arschloch is usually the stronger and more explicit term for a person. Arsch can work as a somewhat more general insult, but it is also clearly offensive.

Nach seinem unfairen Verhalten nannte sie ihn wütend einen Arsch.
Angrily, she called him an ass after his unfair behavior.
Nach seinem besonders rücksichtslosen Verhalten nannte sie ihn wütend ein Arschloch.
Angrily, she called him an asshole after his particularly inconsiderate behavior.