Muwatta Malik
The Description of the Prophet, may Allah Bless Him and Grant Him Peace
Hadith #14
49.14
وَحَدَّثَنِي عَنْ مَالِكٍ، عَنِ ابْنِ شِهَابٍ، أَنَّ عَائِشَةَ أُمَّ الْمُؤْمِنِينَ، وَسَعْدَ بْنَ أَبِي وَقَّاصٍ، كَانَا لاَ يَرَيَانِ بِشُرْبِ الإِنْسَانِ وَهُوَ قَائِمٌ بَأْسًا .
Yahya related to me from Malik from Ibn Shihab that A'isha, umm al-muminin and Sad ibn Abi Waqqas did not see any harm in a man drinking while standing