by Baybee Becky October 20, 2008

by JJ July 30, 2003

Getting your own mother pregnant, then getting that daughter/sister pregnant. Therefore, it's a sister within a sister. Inception + Incest = Incestion
by Lily69 June 13, 2012

by toxic cowZ May 26, 2018

by Alison Chaynes May 22, 2009

by Holynevil December 18, 2018

Fucking one's own family memeber
by Luminiteplayz 69 March 27, 2020
