Hinterland is probably German, because it is. It basically means as rural as you can get within range of a city. The phrase can also apply to any area in the stix, or way far out dude.
Jonas: Where does Steve live again? I always see him taking the 116 bus home.
Alistair: He lives way out in the English hinterland, up by Hemingstone. How the fuck did he get here?
The perfect retort when your mum, your face and your mum's face are already exhausted.
Its original meaning is 'There is a raccoon behind you'.
A: Do you want to go to the cinema?
B: Your mum wants to go to the cinema.
A: Your FACE wants to go to the cinema.
B: YOUR MUM'S FACE wants to go to the cinema.
A: Da ist ein Waschbär hinter dir.