"The believer does not insult the honor of others, nor curse, nor commit Fahishah, nor is he foul." (Using translation from Tirmidhī 1977)
قَالَ رَسُولُ اللهِ ﷺ لَيْسَ الْمُؤْمِنُ بِطَعَّانٍ وَلَا بِلَعَّانٍ وَلَا الْفَاحِشِ الْبَذِيءِ وَقَالَ ابْنُسَابِقٍ مَرَّةً بِالطَّعَّانِ وَلَا بِاللَّعَّانِ