The Prophet ﷺ was brought a baby boy so he could perform tahnik on him. He sat the child on his lap, and the child urinated on him. He called for water and poured it over the spot.Waki said, "He poured it over the spot but did not wash it."
حدثنا يحيى ووكيع حدثنا هشام قال أخبرني أبي
أن النبي ﷺ أتي بصبي ليحنكه فأجلسه في حجره فبال عليه فدعا بماء فأتبعه إياه قال وكيع فأتبعه إياه ولم يغسله