Sunan an-Nasa'i 156
سنن النسائي#156Sahihأَخْبَرَنَا عُتْبَةُ بْنُ عَبْدِ اللَّهِ الْمَرْوَزِيُّ، عَنْ مَالِكٍ، - وَهُوَ ابْنُ أَنَسٍ - عَنْ أَبِي النَّضْرِ، عَنْ سُلَيْمَانَ بْنِ يَسَارٍ، عَنِ الْمِقْدَادِ بْنِ الأَسْوَدِ، أَنَّ عَلِيًّا، أَمَرَهُ أَنْ يَسْأَلَ، رَسُولَ اللَّهِ صلى الله عليه وسلم عَنِ الرَّجُلِ إِذَا دَنَا مِنْ أَهْلِهِ فَخَرَجَ مِنْهُ الْمَذْىُ مَاذَا عَلَيْهِ فَإِنَّ عِنْدِي ابْنَتَهُ وَأَنَا أَسْتَحِي أَنْ أَسَأَلَهُ فَسَأَلْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم عَنْ ذَلِكَ فَقَالَ " إِذَا وَجَدَ أَحَدُكُمْ ذَلِكَ فَلْيَنْضَحْ فَرْجَهُ وَيَتَوَضَّأْ وُضُوءَهُ لِلصَّلاَةِ " .
It was narrated from Al-Miqdad bin Al-Aswad that 'Ali told him to ask the Messenger of Allah (ﷺ) about a man who comes close to his wife and prostatic fluid comes out of him - what should he do? ('Ali said:) For his daughter is married to me and I feel too shy to ask him. So I asked the Messenger of Allah (ﷺ) about that and he said: "If any one of you experiences that, let him sprinkle water on his private part and perform Wudu' as for Salah
Scholarly Authentication
The label above is the grade most of these scholars gave, each scholar counted once — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. When they judged only its chain of narrators (“Isnaad”), the label says “Sound chain”. Each scholar's own wording:
Our source also lists this ruling under Abu Ghuddah, the editor of the printed edition it was taken from. It is al-Albani's ruling printed again, so it is counted once.
In-book reference: 1:157