(91) بَابُ لاَ تَقُلْ: قَبَّحَ اللَّهُ وَجْهَهُ
Abu Hurayra reported that the Prophet, may Allah bless him andgrant him peace, said, "Do not say, 'May Allah make your face ugly.'"
Reference: Al-Adab Al-Mufrad 172
In-book reference: Book 9, Hadith 17
English translation: Book 9, Hadith 172