Flirty Fishing (FFing) was a form of religious prostitution practiced by the new religious movement, the Children of God/The Family, from 1978 until 1987 (abandoned because of the AIDS scare). It involved the use of sexual attraction and even sex itself to win converts. There were also allegations of members joining escort services and otherwise using sexuality to garner donations as well, rather than solely converts.

References

• Lattin, Don (February 14, 2001). "Escaping a Free Love Legacy: Children of God sect hopes it can overcome sexy image" San Francisco Chronicle.