Bulugh al-Maram 120
Taking Ghusl (bath) And the precepts regarding Sexual Impurity
وَلَهُمَا فِي حَدِيثِ مَيْمُونَةَ: { ثُمَّ أَفْرَغَ عَلَى فَرْجِهِ, فَغَسَلَهُ بِشِمَالِهِ, ثُمَّ ضَرَبَ بِهَا اَلْأَرْضَ }
Translation
Narrated Maimuma (rad): Allah’s Messenger (saw) poured water over his private parts and washed them with his left hand. He then struck his hand against the earth.
Grades by grader
No grade is recorded for this wording.