Sahih Muslim , Book 23, Hadith 5014 (USC-MSA) ⓘ
Abu Sa'id (Khudri) reported that Allah's Messenger forbade from turning the waterskins upside down and drinking from its mouth.
وَحَدَّثَنَا عَمْرٌو النَّاقِدُ، حَدَّثَنَا سُفْيَانُ بْنُ عُيَيْنَةَ، عَنِ الزُّهْرِيِّ، عَنْ عُبَيْدِ اللَّهِ، عَنْ أَبِي سَعِيدٍ، قَالَ نَهَى النَّبِيُّ صلى الله عليه وسلم عَنِ اخْتِنَاثِ الأَسْقِيَةِ .
also referenced under: Book 36, Hadith 145 (In-Book) & Hadith 2023 (Reference)