Porneia is considered to be preverse or imoral sexual conduct that is not acceptable in a society or religion. It could include having sex with someone you're not married to, homosexuality, sex with close relatives, intercourse with animals, etc. ...
Porneia is not allowed and is against the rules of the Jehovah's Witness religion. Even flirting is not allowed.
Porneia involves 'immoral use of the genitals, whether in a natural or in a perverted way'. This includes oral sex, anal sex, and manipulation of the genitals between individuals who are not married to each other. Porneia does not require skin contact, copulation, or sexual climax. (Iv p. 99; w06 7/15 pp. 29-30; w04 2/ 1 . wOO 11/1 p. 8 par. 6; w83 6/1 pp. 23-26) Sept 2010 publication for Elders, "Shepherd The Flock Of God." 1 Peter 5:2 p.59