骨皮筋右衛門ほねかわすじえもん

expression

skin and bones; nothing but skin and bones

A humorous, somewhat dated phrase describing someone extremely thin. Often used in a self-deprecating or joking manner.

• 病びょう気きで入にゅう院いんしていたら、骨ほね皮かわ筋すじ右え衛も門んになってしまった。

  After being hospitalized with an illness, I ended up nothing but skin and bones.