Chapter: While passing urine one should not hold his penis with his right hand.
Abu Qatada
Narrated Abu Qatada:The Prophet (ﷺ) said, "Whenever anyone of you makes water he should not hold his penis or clean his private parts with his right hand. (And while drinking) one should not breathe in the drinking utensil ."
Reference
Sahih al-Bukhari 154
In-book reference
Book 4, Hadith 20
USC-MSA web (English)
Vol. 1, Book 4, Hadith 156
Arabic Text
حَدَّثَنَا مُحَمَّدُ بْنُ يُوسُفَ، قَالَ حَدَّثَنَا الأَوْزَاعِيُّ، عَنْ يَحْيَى بْنِ أَبِي كَثِيرٍ، عَنْ عَبْدِ اللَّهِ بْنِ أَبِي قَتَادَةَ، عَنْ أَبِيهِ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " إِذَا بَالَ أَحَدُكُمْ فَلاَ يَأْخُذَنَّ ذَكَرَهُ بِيَمِينِهِ، وَلاَ يَسْتَنْجِي بِيَمِينِهِ، وَلاَ يَتَنَفَّسْ فِي الإِنَاءِ ".