’ The Messenger of Allah said...

’ The Messenger of Allah said, ‘Of the most evil among the servants (of Allah) is one whose meeting is disliked because of his using obscene language.’”

وثق - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (10/280))