It is: backpfeifengesicht.
It is pronounced: back-FIFE-en-guh-zeekst.
It means: a face badly in need of a punching (roughly).
Usage: Did you hear what Pat Robertson said about Haiti? Man, has he got a backpfeifengesicht.
Trust the Germans to come up with a single word that perfectly sums up a more complex concept.
(And thanks to Mike G. for teaching me the word.)