Arsch {m} [ugs.] - arse [Br.]; ass [Am.] [coll.]
jdm. in den Arsch kriechen [ugs.] - to suck up to sb.; to kiss sb.'s ass [coll.] sich den Arsch aufreißen [ugs.] - to work one's balls off [coll.] am Arsch der Welt [ugs.] - at the back of beyond; out in the sticks; in the boondocks [coll.] (total) im Arsch [ugs.] - (all) messed up [coll.] (total) im Arsch [ugs.] - (all) fucked up [slang]