Masturbation

Genesis 38:9 - And Onan knew that the seed should not be his; and it came to pass, when he went in unto his brother's wife, that he spilled it on the ground, lest that he should give seed to his brother.
Leviticus 15:16 - And if any man's seed of copulation go out from him, then he shall wash all his flesh in water, and be unclean until the even.

Leviticus 15:17 - And every garment, and every skin, whereon is the seed of copulation, shall be washed with water, and be unclean until the even.

Leviticus 15:18 - The woman also with whom man shall lie with seed of copulation, they shall both bathe themselves in water, and be unclean until the even.
Deuteronomy 23:10 - If there be among you any man, that is not clean by reason of uncleanness that chanceth him by night, then shall he go abroad out of the camp, he shall not come within the camp:
Proverbs 6:25 - Lust not after her beauty in thine heart; neither let her take thee with her eyelids.

Proverbs 6:26 - For by means of a whorish woman a man is brought to a piece of bread: and the adulteress will hunt for the precious life.

Proverbs 6:27 - Can a man take fire in his bosom, and his clothes not be burned?

Proverbs 6:28 - Can one go upon hot coals, and his feet not be burned?

Proverbs 6:29 - So he that goeth in to his neighbor's wife; whosoever toucheth her shall not be innocent.
Matthew 5:28 - But I say unto you, That whosoever looketh on a woman to lust after her hath committed adultery with her already in his heart.
1 Corinthians 6:18 - Flee fornication. Every sin that a man doeth is without the body; but he that committeth fornication sinneth against his own body.

1 Corinthians 6:19 - What? know ye not that your body is the temple of the Holy Ghost which is in you, which ye have of God, and ye are not your own?

1 Corinthians 6:20 - For ye are bought with a price: therefore glorify God in your body, and in your spirit, which are God's.
1 Thessalonians 4:3 - For this is the will of God, even your sanctification, that ye should abstain from fornication:

1 Thessalonians 4:4 - That every one of you should know how to possess his vessel in sanctification and honor;
Hebrews 13:4 - Marriage is honorable in all, and the bed undefiled: but whoremongers and adulterers God will judge.
1 John 2:16 - For all that is in the world, the lust of the flesh, and the lust of the eyes, and the pride of life, is not of the Father, but is of the world.

1 John 2:17 - And the world passeth away, and the lust thereof: but he that doeth the will of God abideth forever.
Jude 1:7 - Even as Sodom and Gomorrah, and the cities about them in like manner, giving themselves over to fornication, and going after strange flesh, are set forth for an example, suffering the vengeance of eternal fire.