That the Messenger of Allah ﷺ said: “Allah is not too shy to tell the truth,” three times. “Do not have intercourse with women in their buttocks.” (Using translation from Ibn Mājah 1924)
نَهَى رَسُولُ اللهِ ﷺ أَنْ يَأْتُوا النِّسَاءَ فِي أَدْبَارِهِنَّ فَإِنَّ اللهَ لَا يَسْتَحْيِي مِنَ الْحَقِّ