ウンシャン

noun

plain woman; unattractive woman

Obsolete slang from the German 'unschön' (not beautiful). Used in older youth or subculture slang; not current.

from German unschön

• 昔むかしの若わか者もの言こと葉ばで、かわいくない女じょ性せいを「ウンシャン」と呼よんだらしい。

  Apparently, in old youth slang, an unattractive woman was called 'unshan'.