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.
Main Entry: was-ca-la-tor
1 a: a power-driven walkway arranged like an endless belt that it moves objects forward continuously. They are commonly found at airports. b: The combination of a walkway and an escalator