Hadith #4804 (Sunan Abi Dawud)
Book: General Behavior (Kitab Al-Adab)
Narrator(s): 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
Grade: 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.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-4804/