I found these to be pretty amusing:
http://www.mirror.co.uk/news/weirdworld/2007/10/23/weird-and-wondrful-foreign-phrases-89520-19993239/ I like a lot of them, but this one makes me giggle:
Snyavshi Shtany, PO VOLOSAM NE GLADYAT - Russian: once you've taken off your pants it's too late to look at your hair.