"A baby boy was brought to the Prophet who then urinated on him. He sprinkled over it with water and did not wash it." (Using translation from Ibn Mājah 523)

أُتِيَ رَسُولُ اللهِ ﷺ بِصَبِيٍّ فَبَالَ عَلَيْهِ فَأَتْبَعَهُ الْمَاءَ وَلَمْ يَغْسِلْهُ