Actually. last ime I called someone a Sammenausstossendesgassenschlampe, she took it as evidence that I can’t speak German.
At least nobody is in violation of the Rindfleischetikettierungsüberwachungsaufgabenübertragungsgesetz.
(Cribbed from http://german.about.com/library/blwort_long.htm , I haven’t taken a German course in more than thirty years)