うんこ製せい造ぞう機き

noun

useless person; poop-producing machine

Slang, derogatory, and jocular. Literally 'poop-producing machine', used to insult someone as contributing nothing to society. Strongly vulgar and offensive.

• あいつは何なにもしないで、ただのうんこ製せい造ぞう機きだ。

  That guy does nothing; he's just a poop-producing machine.

• ネットで「うんこ製せい造ぞう機き」って書かいてあるのを見みた。

  I saw someone called a 'poop-producing machine' online.