Let's take a look at the controversial topic of masturbating, what the Bible has named as such), to answer your question, masturbation is a sin.
Sexual lusting in the mind is the primary reason or trigger for masturbation and is sin—whether from erotic imagery, viewing pornography, or lusting after a.
Among the world's religions, views on masturbation vary widely. Some religions view it as a .. The Coptic Orthodox Church views masturbation as a sin because it is regarded as a "form of sexual pleasure outside of God's design".