Hilarious shit. German folklore actually have a fixation with shit. "I shit you not" See:
http://www.sas.upenn.edu/~nmueller/grmn247/dundes.html I had a class with Dundes, hilarious dude!
The American gesture of "OK" [thumb and index with three fingers extended out] actually means "KISS MY ASS" [if turned a little bit] in Brazil.