this ain't no Meccaleccahimeccaheineyho...
Mamihlapinatapai - it's the world's most succinct word according to the Guinness Book of Records.
Ma-mee-ha-la-peena-ta-pie!
It comes from Tierra del Fuego and means: To look at each other, each hoping the other will offer to do something which both parties much desire done but which neither is willing to do.
*zing*