It was narrated from Abu Hurairah that the Messenger of Allah (ﷺ) said: "When (a man) sits between the four parts of his wife's body and exerts himself, then Ghusl becomes obligatory"
SahihSahihSahih - Agreed UponBook 1 · Hadith 192
سنن النسائي
It was narrated from Abu Hurairah that the Messenger of Allah (ﷺ) said: "When (a man) sits between the four parts of his wife's body and exerts himself, then Ghusl becomes obligatory"