ケツの穴あな

expression, noun

anus; asshole

Vulgar term for the anus. Used in crude or insulting contexts. The reading けつのあな is the most common; しりのあな is less frequent and may sound slightly less harsh.

• あいつは本ほん当とうにケツの穴あなの小ちいさい奴やつだ。

  That guy is really a tight-ass.

• そんなこと言いうと、ケツの穴あなをほじくるぞ。

  If you say that, I'll poke your asshole.