Religious Masturbation.
Speaking about the supposed superiority of your religion, for the sole pleasure of listening to yourself and showing off to other members of that religion.
A religious leader preaching to the saved
Etymology: the religious counterpart to masturbation; i.e. a process that is very pleasurable but doesnât accomplish anything in the end.
The preacher gave a nice example of religious masturbation; a preaching about conversion to the saved