“Kangaroo” is an Aboriginal word, but for them it doesn’t mean kangaroo.
When Captain Cook discovered Australia, he drew pictures of the plants and animals. When he asked a native what the name of the kangaroos was, the aborigine, strangely enough not knowing how to speak English, replied “kangaroo”, which means, “I don’t understand you”.
For more creative translations, check out my romantic comedy, Loosely Translated, where a Spanish translator meets the author of the awful detective series that she has "improved". If that sounds like your cup of tea, buy me a couple of beers - that's about how much the book costs, and you'll get that warm, fuzzy feeling of helping out an indie author. Cheers!
Loosely Translated at Amazon.com