(8) باب الغسل وحكم الجنب
Narrated Maimuma (rad):
Allah's Messenger (ﷺ) poured water over his private parts and washed them with his left hand. He then struck his hand against the earth.
Reference: Bulugh al-Maram 120
In-book reference: Book 1, Hadith 145
English translation: Book 1, Hadith 129