From The Telegraph:
–Bakku-shan (Japanese) A woman who looks beautiful – but only when viewed from behind
-Zhaghzhagh (Persian) The chattering of teeth in the cold
–Backpfeifengesicht (German) A face badly in need of a fist
–Schnapsidee (German) A brilliant plan one hatches while drunk
–Prozvonit (Czech) To save money by calling someone's mobile phone and hanging up after one ring so they will call you back
–Bilita Mpash (Bantu, in the Congo) A wonderful dream that surpasses good dreams. One that starts your day on a high and that you could properly describe as the opposite of a nightmare
More here.