Hadith #4804General Behavior (Kitab Al-Adab) · Narrated by al-Mandhar bin Malik bin Qata' المنذر بن مالك بن قطعة - أبو نضرة العبدي, Masdad bin Masrhad مسدد بن مسرهد بن مسربل, Matruf bin Tarayf al-Harithi مطرف بن طريف, Sa'id bin Yazid bin Muslima سعيد بن يزيد بن مسلمة الأزدي القصير · Sahih
A man came and praised ‘Uthman in his face, al-Miqdad b. Al-Aswad took dust and threw it on his face, saying : The Apostle of Allah (ﷺ) said : When you see those who are given to praising people, throw dust in their faces.