(18) باب النَّهْىِ عَنْ الاِسْتِنْجَاءِ، بِالْيَمِينِ
Abu Qatada reported it from his father:
The Messenger of Allah (ﷺ) said: None of you should hold penis with his right hand while urinating, or wipe himself with his right hand in privy and should not breathe into the vessel (from which he drinks).
Reference: Sahih Muslim 267a
In-book reference: Book 2, Hadith 80
USC-MSA web (English) reference(deprecated numbering scheme): Book 2, Hadith 511