Sahih al-Bukhari 5468

Arabic

حَدَّثَنَا مُسَدَّدٌ، حَدَّثَنَا يَحْيَى، عَنْ هِشَامٍ، عَنْ أَبِيهِ، عَنْ عَائِشَةَ ـ رضى الله عنها ـ قَالَتْ أُتِيَ النَّبِيُّ صلى الله عليه وسلم بِصَبِيٍّ يُحَنِّكُهُ، فَبَالَ عَلَيْهِ، فَأَتْبَعَهُ الْمَاءَ‏.‏

English translation

Narrated `Aisha:A boy was brought to the Prophet (ﷺ) to do Tahnik for him, but the boy urinated on him, whereupon the Prophet had water poured on the place of urine

Reference: Sahih al-Bukhari 5468, Book of Sacrifice on Occasion of Birth (`Aqiqa). English translation by Dr. Muhammad Muhsin Khan.