to copulate with an animal, or, Any of various forms of sexual intercourse held to be unnatural or abnormal, especially anal intercourse or bestiality.
From the Bible, Genesis 19:24, a city, along with Gomorrah that practiced gay sex and unnatural sex. The two cities were destroyed by God
Sodomy or homosexual sex, the act of inserting objectings ito one's anus( the place where you shit). Generally used as a alternative to intercourse, by teenagers attenpting to aviod pregnancy.