Dictionary / Vocabulary / ケツの穴
けつのあな · also しりのあな
anus; asshole; arsehole
Also written 尻の穴、けつの穴、しりの穴
おまえはママに教わらなかったのかぁ？怖い人に出会ったら財布とケツの穴を守りなさいってな。
Didn't your mother teach you anything? When you meet with scary people always protect your wallet and your arsehole!
おまえはケツの穴の小さい男だな。
You're one narrow minded individual.