Alsoあなきょうだい
- men who have had sex with the same woman; hole brothersvulgar expression or wordslangsee also 竿姉妹
noun (common) (futsuumeishi)
Generated: This term is typically used to refer to a specific relationship or bond between men who have shared a sexual partner. It often carries a humorous or informal tone.
They are called "hole brothers" because they have been involved with the same woman.