Judaism and masturbation
The prohibition of extracting semen in vain (Hebrew: הוצאת זרע לבטלה) is – according to Orthodox Judaism – a Biblical prohibition derived from (Genesis 38:7), this is explained in the Midrash and Talmud. (A Rabbinical prohibition is one that is not found in the Torah by way of biblical exegesis – a Biblical prohibition is one that is.) The prohibition forbids a male from intentional wasteful spilling of his semen.