al-Mandhar bin Malik bin Qata' المنذر بن مالك بن قطعة - أبو نضرة العبدي · General Behavior (Kitab Al-Adab)

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.