姉し妹まい丼どん

noun

threesome with two sisters

Vulgar slang term for a sexual threesome involving two women who are sisters. The word is a play on 姉妹 (sisters) and 丼 (donburi, a bowl of rice with toppings), metaphorically suggesting a 'bowl' containing two sisters.

• ネットの掲けい示じ板ばんで「姉し妹まい丼どん」という言こと葉ばを見みかけたが、かなり下げ品ひんなスラングだ。

  I saw the word 姉妹丼 on an online forum, but it's a pretty vulgar slang term.

• 彼かれは冗じょう談だんで「姉し妹まい丼どんを食たべたい」と言いって、周まわりに引ひかれた。

  He jokingly said he wanted to 'have a sister bowl' and creeped everyone out.