(8) باب الغسل وحكم الجنب
Narrated Abu Huraira (rad):
Allah's Messenger (ﷺ) said that, "If one of you sits between her legs (of a woman) and penetrates her, Ghusl (bath) is obligatory." [Agreed upon]. (ID)
Reference (ID): Bulugh al-Maram 110 (ID)
In-book reference (ID): Book 1, Hadith 130 (ID)
English translation (ID): Book 1, Hadith 116 (ID)