You will want to adopt the limit described at Ephesians 4: 29: “Let a rotten saying not proceed out of your mouth. ”
١٥ مَاذَا يُسَاعِدُ ٱلَّذِينَ ٱعْتَادُوا ٱلتَّفَوُّهَ بِكَلِمَاتٍ قَاسِيَةٍ عَلَى تَغْيِيرِ طَرِيقَةِ كَلَامِهِمْ ؟‏