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1.
1. Japanese name of rare wild animal (like mouse) living in Japan mountain. (Japanese dormouse)
2. rare family name, origin is mainly in West Japan.

Yamane-ko (or Yamane-co) means "wild-cat" in Japanese.
but, sometimes, Yamane-ko is used as nickname, calling children whose family name is Yamane.
Hey, Mr Yamane, you are wild like 'yamaneko' and sleepy like 'yamane'
by yamaneco July 14, 2012
 
2.
A very gay man
Yamene takes it in the ass
by Christoph April 07, 2004