Sahih al-Bukhari 6354
Sahih al-Bukhari · Book 80: Invocations · To invoke for Allah's Blessings upon the children
Narrated Mahmud bin Ar-Rabi:
حَدَّثَنَا عَبْدُ الْعَزِيزِ بْنُ عَبْدِ اللَّهِ ، حَدَّثَنَا إِبْرَاهِيمُ بْنُ سَعْدٍ ، عَنْ صَالِحِ بْنِ كَيْسَانَ ، عَنِ ابْنِ شِهَابٍ ، قَالَ أَخْبَرَنِي مَحْمُودُ بْنُ الرَّبِيعِ ، وَهُوَ الَّذِي مَجَّ رَسُولُ اللَّهِ صلى الله عليه وسلم فِي وَجْهِهِ وَهْوَ غُلاَمٌ مِنْ بِئْرِهِمْ.
On whose face Allah's Messenger (ﷺ) had thrown water from his mouth, the water having been taken from their well while he was still a young boy (who has not yet attained the age of puberty).