text: what does "mushi mushi" mean and in what language?   if you mean "moshi moshi," then it's 'hello' (only on the phone) in japanese.   but there's also something - 'mush' which involves getting dogs to pull sledges along in the snow. people shout 'mush mush' at the dogs. http://education.yahoo.com/reference/dictionary/entry/mush_2;_ylt=aqyhdulr8dnktdqvudjjfissgmmf