尾び籠ろう

na-adjective, noun

indecent; vulgar; dirty

Describes speech, behavior, or topics that are crude, lewd, or socially improper. Often used in formal or literary contexts to criticize coarseness.

• 彼かれの尾び籠ろうな冗じょう談だんに、会かい場じょうはしらけた。

  His vulgar joke made the audience uncomfortable.

• 尾び籠ろうな話はなしで恐きょう縮しゅくですが、トイレをお借かりできますか。

  I'm sorry for the indelicate topic, but may I use your restroom?