Sahih al-Bukhari 6422
Book 81: To make the Heart Tender (Ar-Riqaq) · Narrated by Mahmud bin Ar-Rabi'a
Arabic
حَدَّثَنَا مُعَاذُ بْنُ أَسَدٍ، أَخْبَرَنَا عَبْدُ اللَّهِ، أَخْبَرَنَا مَعْمَرٌ، عَنِ الزُّهْرِيِّ، قَالَ أَخْبَرَنِي مَحْمُودُ بْنُ الرَّبِيعِ، وَزَعَمَ، مَحْمُودٌ أَنَّهُ عَقَلَ رَسُولَ اللَّهِ صلى الله عليه وسلم وَقَالَ وَعَقَلَ مَجَّةً مَجَّهَا مِنْ دَلْوٍ كَانَتْ فِي دَارِهِمْ.
English translation
Narrated Mahmud bin Ar-Rabi'a:I remember that the Allah's Messenger (ﷺ) took water from a bucket (which was in our home used for getting water out of well) with his mouth (and threw it on my face)
Reference: Sahih al-Bukhari 6422, Book of To make the Heart Tender (Ar-Riqaq). English translation by Dr. Muhammad Muhsin Khan.