| し | 
|---|
| 姉 | 
| まい | 
|---|
| 妹 | 
| どん | 
|---|
| 丼 | 
noun
Vulgar expression or word, slang.- threesome including two women who are sisters.
 
Variations
| Pronunciation | Kanji | Kana | Is Common | ||||||
|---|---|---|---|---|---|---|---|---|---|
                                
 
 
  | 
                            姉妹丼 | しまいどん | 
Contained Kanji Breakdown
elder sister
あね シ はは (2nd, N4)
younger sister
いもうと マイ す (2nd, N4)