The issue is not M, but it is lust. It is clear that all these acts are lustful and fall under Jesus statement in Matthew 5. This is where every person reading this article must stop and analyze his or her own heart. Only you can answer that question for yourself. This is an old and archaic word, but can be useful still.
Fornication means to have sexual contact with someone outside the context of marriage.
Married couples cannot fornicate together. The F word in our day is quite different from the F word in the time of King James. Our F word simply refers, in a vulgar way, to the act of intercourse. The big question for teens who are dating or thinking about dating is what they will do sexually. The problem with masturbation is the lust factor.