When the two circumcised parts met, the Messenger of Allah ﷺ would perform the ritual bath.
حدثنا عفان قال حدثنا حماد بن سلمة قال حدثنا ثابت عن عبد الله بن رباح عن عبد العزيز بن النعمان
كان رسول الله ﷺ إذا التقى الختانان اغتسل
No references are available.
Its chain of transmission is sahih. Abdullah bin Rabah is al-Ansari, and he is trustworthy, his hadith is found in Muslim, and the hadith has already appeared at 24088.