The Messenger of Allah ﷺ was never one to insult, use foul language, or curse. When reproaching one of us, he would simply say, "What is wrong with him? May his forehead be covered in dust."
حدثنا موسى بن داود حدثنا فليح بن سليمان عن هلال يعني ابن علي
لم يكن رسول الله ﷺ سبابا ولا فحاشا ولا لعانا كان يقول لأحدنا عند المعاتبة ما له تربت جبينه